When doing significant figures when adding subtracting, multiple how do I know how many decimals places to move in my answer and how many significant figures should be in my answer?

Q: For the following scales (no units), determine the size of increments then estimate the readings at…

A: For part (a), there are 10 divisions of 0.1 from 2 to 3. Number of interval = 1 For part (b), there…

Q: When a very large number is written in scientific notation shut the exponent be a positive or a…

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

Q: How many significant figures are in the following value?

A: Trailing zeros are considered to be significant if a decimal point is shown in the number, but they…

Q: Can you tell me how to arrange numbers of scientific notation in order from largest to smallest?

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: State the temperature on the Celsius thermometerB to the correct number of significant figures:

A: Significant figures are the digits of number that are accurate and more reliable value of data.…

Q: Use the References to access important values If heeded for this question. Write each of the…

A: Given :-  8.89 × 10-3  7.77 × 104  7.71 × 103  8.06 × 10-5  To write :-  Above value in 3…

Q: How do you determine how many significant figures should be in your answer?

A: Rules for counting significant figures:Count the number of significant figures in the decimal…

Q: Is this the correct amount of significant figures? if not please specify.

A: We need to answer in least number of significant figures given in question statement.

Q: Compare and contrast the multiplication/division significant figure rule to the significant figure…

A: Significant figures refer to the number of digits that are involved in the determination of the…

Q: Should I write my answer as a decimal

A: The dissociation constant expression would be:   Kf=1/Kd  Kd = 1/Kf  Kd = 1/1.0×1016    Kd = 1.0 ×…

Q: hat is the block,number and period for chlorine

A: FOR CHLORINE ATOM(Cl) BLOCK-P      (OUTER MOST ELECTRON PRESENT IN P ORBITAL) PERIOD -3 GROUP 17 OR…

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: The number 5492.517 rounded to 3 significant figures is?

A: 5490

Q: incorrect

A: According to the question, we need to balance the chemical reaction by ion electrode method based on…

Q: Which of the following numbers contains the designated correct mumber of significant figures? Select…

A: To find significant figure do not count zero after decimal and before digits but every zero must be…

Q: What is the % mass of iron in iron (II) oxide?  Report your to answer to 2 decimal places

A: persentage iron =( atomic mass of Iron/ molar mass of FeO) * 100

Q: Rounded 17,997 to tow decimal places

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

Q: Please make they are corect significant

A: We know that   Convert Calorie to Joules.  1 Cal = 4.184 Joules  1 Kcal = 1000 Calories = 103…

Q: When 0.0005760 is written in proper scientific notation with the correct number of significant…

A: Rules for determining significant figures,All non-zero digits are significantThe zeros placed to the…

Q: Your answer can't be interpreted as a number or measurement in the correct format or is rounded…

A: The minimum no. of significant digits in the initial and final amount is 3, thus the answer must be…

Q: How many significant figures are in the measurement 5000 g? Group of answer choices

A: While doing a big calculation, which digits really give the informtaion on how precise is the…

Q: Circle one: When performing the above calculation, significant figures / decimal places are the…

A: The given question asks about the primary consideration which must be taken care of while performing…

Q: What are the significant rules to be followed to determine the number of significant figures in a…

A: Significant figure represents all the digits of a number that are significant with respect to…

Q: The number 9080000 written in scientific notation to the correct number of significant figures is?

A:

Q: When subtracting or adding two numbers in scientific notation, why do the exponents need to be the…

A: To find: The reason for exponent to be same when adding or subtracting two numbers in scientific…

Q: Use exponential notation to express the number 385500 to three significant figures

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

Q: Question There are exactly 12 items in 1 dozen. When using this conversion factor, how many…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: The uncertainty in the measurement 0.0035 mg is

A: The mentioning of the number of significant figures is quite helpful in determining the uncertainty…

Q: ryour answer to 2 significant figures. Do not include the units, M.

A:

Q: The average wavelength of red light is650 nanometers. Expressthislength in kilometers.Provide your…

A: The given problem relates to the metric conversion of units. The basic conversion required to solve…

Q: The density of a substance relative to the density of water.  It is one of the few measured values…

A: The density of any substance is mass by volume. Density=massvolume The unit of mass is Kg and the…

Q: What is the molar mass of alanine, C3H7NO2? • Write your answer using ONE decimal place, even if…

A: Given, Molar mass of Alanine, C3H7NO2 = ? Note:  Atomic mass of C = 12.01 g/mol Atomic mass of H =…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: The significant figure rule for the division and multiplication is that the final number should…

Q: The number 37.84637 rounded to 5 significant figures is When 12.9 is subtracted from 64.657, the…

A: we have to complete the given statements

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: The number 621.0870 rounded to 4 significant figures is

A: To round the number 621.0870 to 4 significant figures.

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: Use exponential notation to express the number 582,000,000 to: one significant figure two…

A:

Q: Please check my work. Also, did I round to the appropriate number of significant figures

A: According to Charle's law, volume of a gas is directly proportional to the temperature of the gas at…

Q: nd write it it standard notation with all zeroes, adding commas

A: 1moles of any substance is equal to Avogadro number. And Avagadro number is constant for any…

Q: What value of a measurement must be available if the accuracy of a measurement is to be determined

A: The physical dimensions of a substance are calculated by observing and taking down the measurements.…

Q: Exact numbers have how many significant figures One. O As many as are written down. O Impossible to…

A: As exact numbers are defined numbers , they can't be simplified thus there is absolutely no…

Q: How many days are in 41,700 minutes? (Assume exactly 24 hours in a day). Express your answer with…

A: Since each day has 24 hours  And each hour has 60 mins Hence number of minutes in a day = number of…

Q: Round Off the number to four significant figures. Find the percent difference between each…

A: Significant figures refer to the number of digits that are involved in the determination of the…

Q: Identify the number of significant figures (sig figs) in each of these values.

A: leading zeros are non-significant  trailing zeros are significant  zeros in between non-zeros are…

Q: Record the volume of the liquid in the graduated cylinder to the correct number of sign

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Why are significant figures rules for calculations more important in science than in math class?

A: Scientific calculations deal with very small and minute measured values. A minute quantity of excess…

Q: Complete the table. That is, fill in any missing entries for pH to 2 decimal places.

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…

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.