Precision refers to __________. Group of answer choices how close a measured number is to the true value how close a measured number is to the calculated value how close a measured number is to zero how close a measured number is to other measured numbers how close a measured number is to infinity

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Step : 1             The required answer for the question is follow as :

Q: Hi I need help with this question please -Of the solids are not dry when added to the graduated…

A: Calculated density will be larger because solids are not dry then Mass of the solid increases and…

Q: oven cleaner, with [H3O*] = 1.0 × 10-12 M Express your answer using two significant figures. ?…

A: We know that   [H3O+] [OH-] = 10-14

Q: 1) Perform the indicated mathematical operations. State the uncertainty of the final answer a…

A: Uncertainty is the measure of mathematical value which is deviated very little from measured value.

Q: Convert 72.9 in to centimeters ADD FACTOR ANSWER RESET *( ) 1 185 0.39370 72.9 12 2.54 875 6.08 16.4…

A: Here we have to convert 72.9 inches to centimeters.

Q: Could you express your answer as a conversion factor please? This answer makes no sense as Chem101…

A: To Provide the final answer in the format of conversion factor.

Q: Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using the…

A: in a numerical value, the number of meaningful digits are known as significant figures.

Q: Constants Tigures Part A while 600 x 195 Express your answer with the appropriate number of…

A: Rules for significant figures in Multiplication and Division. First determine the significant…

Q: 1  The correct result (indicating the proper number of significant figures) of the following problem…

A: Since there are multiple questions, we are authorized to answer only one question at a time. Please…

Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: Solve for x, where M is molar and s is seconds. .0 Enter the answer. Include units. Use the exponent…

A: Please find the attachment.

Q: baking soda, [OH ]= 4.7 x 10- M Express your answer using two significant figures. | ΑΣφ ? M Submit…

A: [OH-] = 4.7 X 10-6 M first we will calculate pOH  pOH = - log [OH-]         = - log 4.7 X 10-6…

Q: 4. Goal: 2C02 + н20 --- С2Н2 + 5/2 02 Given: ДН - -94.5 кJ ДН - 71.2 КJ а. С2H2 + 2H2 ---С2Н6 b. Н20…

A: Chemical equation: 2CO2  + H2O    →   C2H2  + 52O2   ∆Hrxn = --94.5  -2× 71.2 - -283           =…

Q: If given a value plot along the y axis: 1. Find given value along y axis. 2. From this point, trace…

A: To determine the length of fence for a cost of $275, we would use this given graph between length of…

Q: Convert the following numbers from Regular Notation to PROPER Scientific Notation. Proper scientific…

A:

Q: x=(2.2*10^6 M^(-2)s^(-1))(0.10 M)^3 Enter the answer and include units. * is supposed to be a…

A: On subjecting a value to arithmetical operations such as addition, multiplication , subtraction etc,…

Q: nteger value between one and infinity

A: Answer : a) the principal quantum number- 1)an integer value between one and infinite. b)the angular…

Q: Find the value 2x-y+z for the given question.

A: The number of species that can donate 2, 4, and 6 electrons.

Q: Calculate % difference between trials 1 and 2. Your value MUST be below 2% difference. Then…

A: The data given is,

Q: Use the centimeter ruler and the gray object below to indicate how many certain and uncertain digits…

A: While measuring a object using a ruler, the graduation marks represents the certain digits. The each…

Q: Run # [10;], (M) [I]. (M) [H*], (M) Product (M) Time (sec.) 1 0.005 0.050 2.00х 105 5.00 x104 9 2…

A: Since the rate law of any reaction depends only on the reactant concentrations. Hence the rate law…

Q: MGF2(s) → Mg*2(aq) + 2F"(aq) Sample answer format: [Al+3][X-] *Put /or numbers outside the bracket…

A: To write the solubility product constant, examine the balanced equation.

Q: You have the following data points which belong to a function of the form y = aei, where b can be…

A: The data points given are, Given: The equation that fits the above data is y = aebx…

Q: 2.4x10-3 mol Sb Express your answer using two significant figures. m = Submit Request Answer bo

A: Detail mathematical calculation is shown below

Q: need help solving these in dimensional analysis first turning them into  proper scientific notation…

A:

Q: Find the limiting factor in the Significant figures of your final calculated value for R. How many…

A: Significant figures are the number of digits used to express a measured or calculated quantity.…

Q: Perform the operation as indicated below and report your answer rounded with the correct number of…

A: In positional notation, significant figures are the digits in a number that are accurate and…

Q: I) Adding and subtracting: evaluate the following problems and use the rliles to round your answer:…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Perform the following calculations, and report numbers with correct significant figures:  (6.626 x…

A:

Q: involving logarithm, the rule is to retain as many decimal places in the result as there are…

A:

Q: How many hours are in exactly 18 days? The answer has how many stick figures?

A: Since we know that  1 day = 24 hours  So by using this relation we will calculate the number of…

Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: Answer is given in below image  In a answer is 5.8±0.30 Absolute uncertainty = 0.30 Percentage =5.17…

Q: QUESTION 21 A laboratory experiment was done at 137.0°F. Convert this temperature to K using the…

A: Given values-> Temperature = 137.0°C °C = (°F - 32)×5/9 K = °C + 273.15

Q: [4] INSTRUCTION: Round off the final answer to ONE decimal place.

A: Given-     mass of protons = 1.0073amu     mass of Neutron = 1.0087amu Atomic mass of Sn =…

Q: (true or false) It is best to round at the very end of a multi-step calculation so you get the most…

A:

Q: Multiply the following and express your answer in appropriate scientific notation, and a correct…

A: we have to report the answer with correct significant figures in scientific notation

Q: Write each of the following numbers in exponential or scientific notation. Write each number to two…

A: Scientific notation: Scientific notation is a way of expressing numbers in decimal form with a…

Q: Q1 A pencil is 16.2 cm long. What is its length in inches?           Q2 A person has a mass of…

A: Solution A unit conversion expresses identical property as a unique unit of measure. as an example,…

Q: Reduce the following terms to right number of Significant Figures.…

A: Significant figures are the number of digits in a value, often a measurement, that contributes to…

Q: find absolute and relative standard deviation of this data.

A: Absolute standard deviation is the measure of the deviation of each data point from the mean value.…

Q: You are given four values (1.033, 4.157, 1.05, and 4.6) and asked to conduct calculations on them.…

A: Significant figures can be defined as the total digit present in a number (including last digit)…

Q: Calculate the mean and 90% confidence interval for the data set. Report your answer with the correct…

A: Given values are 8.0720, 8.0580, 8.0710, 8.0750, 8.0600, 8.0550. we need to find the mean and 90%…

Q: give explanation also please Convert the following numbers into standard notation:  3.92400 x 105…

A: Standard notation is the normal notation of expressing the numbers. 1. 3.92400×105 = 392400  2.…

Q: A. Rounding Off A.1 Rounding A student rounded off the following calculator displays to three…

A: Rules for significant figure  All non zero integer are significant  Exact number have unlimited…

Q: Compute 4.659 x 104-2.14 x 104. Round the answer appropriately. Express your answer as an integer…

A: From given  We are going to subtract the two values given and round off to their significant figures

Q: The agreement of a particular value with the true value is called

A: Error refers to the difference between the measured value and it’s true value. Significance refers…

Q: Compute 4.62 x 4.48697. Round the answer appropriately. Express your answer numerically using the…

A: For multiplication and division use the following rule: The LEAST number of significant figures in…

Q: What is the numerical value of (2.1 x 104)(4.0 x 10-2)?

A: Given :- (2.1 x 104)(4.0 x 10-2)  To calculate :- The numerical value of the above multiplication

Q: Compute 9.3456 + 2140.56. Round the answer appropriately. Express your answer numerically using the…

A: As the rule says we have to round off to the least no. of decimal places while adding or…

Q: Hi! I m working on a lab right now. I have three measurements, 1.057 .9442 .9629 and a mean…

A: When we do any lab work, then there are different measurements obtained by us for particular test or…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.