Do the following calculations to the correct number of significant figures: a.) 3.8 x 105-8.45 x 104 b.) 0.004 + 0.09879 c.) 1459.3 + 9.77/ 4.32 d.) 432/7.3-28.523

Q: Which numbers have four (4) significant figures? Choose all that apply. 3.925 x 1023 4.5 x 103…

A: Significant digit : Any combination of digit which starts from the far most left digit which is non…

Q: 1. When expressed as 7.5x10^4, only the significant figures of are to.be considered. (1 point) O 7.5…

A: The notation of digits written in a format is called significant number.Typically after decimal four…

Q: A shipping box has a length of 7.00 in., a width of 6.00 in., anda height of 4.00 in. (2.3)a. What…

A: Since you have posted questions with multiple subparts, we will solve the first three for you. For…

Q: A small beaker was found to have a mass of 27.847 g. A 10.00 mL sample of an unknown liquidwas…

A: Answer :- 1.225 (g.mL-1)  Density of unknown liquid (solution) = 1.225 g.mL-1…

Q: In the product A ∙ B ∙ C, A has 5 significant figures, B has 3 significant figures, and C has 4…

A:

Q: The density of a metal is 8.67 g/cm3. How many pounds are in 298.86 in of the metal? (You can use…

A: The relation between mass, volume and density is : density = mass / volume or, mass = density x…

Q: In the lab a student measured the density of an Aluminum cylinder to be 2.89 g/cm3. The handbook…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

Q: 6.7321x0.0021 in to a Significant figures and measurement

A: Rules for Significant numbers: Any non-zero number is significant. Zeros between two significant…

Q: Round the following to the indicated number of significant figures:(a) 0.424 (to two significant…

A: Since, we answer only upto three sub-parts, so we will answer first three. Please resubmit the…

Q: Express the following with the least number of significant figures d) 13.48577523 e) 44.57558 f)…

A: Significant figure: the significant figures of a given number are those significant or important…

Q: determine the number of significant figures for each given number 0.000203 200. 31.001 0.00001 200.0…

A: The below are a few rules that can help you count the significant figures in the given value.All…

Q: Write the rounded answer in proper scientific

A: We have to calculate the given measurement and give their answer to correct significant figures

Q: The density of lead is 11.35 g/mL. What is the volume of 85 g of lead? Show set-up in dimensional…

A: Density is one of the physical property of the matter.  It gives the relation between mass with the…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Here we need the converion factor to convert μg/dl to g/ml

Q: When you are doing addition and subtraction, my chemistry text tells me to round to the least number…

A: Rule: Properly examine the decimal portion only. Find the number with the minimum number of digits…

Q: 3- Perform the following calculation and report the result to the correct number of significant…

A:

Q: What is the volume of an object of mass 20.00 g and density 2.0 g/mL? 1._______ / 2._______ =…

A: Given the mass of the object, m = 20.00 g  density of the object, d = 2.0 g/mL

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: To demonstrate your understanding of the concept of significant figures determine the number of…

A: a) 0.0037   = 37×10-4 = 37E-4 only two significant figures.  b) 152000  = 152×103 = 152E3 only three…

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

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

Q: Round each number to two significant figures  233.356       0.002353.   can you please…

A: Interpretation : We have to count number of significant figures.

Q: How many significant figures are in the calculation: [ (4.3158 cm x 8.14 cm) - 35.02 cm² ]? 04 5 A O…

A: Given,  [(4.3158 cm × 8.14 cm)- 35.02 cm2           The number of significant figures are in the…

Q: How should he record his answer, to the correct number of significant figures?

A: In multiplication rounding off the answer to the least number of significant digits given in the…

Q: Perform the calculation to the correct number of significant figures. (43.998 * 0.00552)/2.002a)…

A: Before we perform any calculation we need to identify the number of significant digits in each of…

Q: Very large and very small numbers are easier to write in scientific notation. For example, the…

A: Exponential notation for a number can be written in such a way that large numbers are written in…

Q: Perform the calculation to the correct number of significant figures. (8.01-7.50) / 3.002 a)…

A: The calculation has to be performed to the correct number of significant figures. The given…

Q: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

A: In case of multiplication or division, the least number of significant figures in any number…

Q: how many significant figures does 40.005 760  have

A: The question is based on concept of significant figures. we have to identify number of significant…

Q: Name: Date: Class period: Unit: Introduction to Chemistry "Significant Figures in Calculations" - WS…

A: Hello. Since there are multiple questions and each question has more than three sub-parts, the first…

Q: 2. The number of significant figures in the number 2101.010100 is

A: 2101.010100 To find out the significant figures of given value.

Q: How many pm are there in  4.60x10 m? Enter the appropriate exponent as a number and not a word.

A:

Q: Calculate to the correct number of significant figures.a. 0.004 + 0.09879                     b.…

A: a.

Q: 1.10 (a) How many significant figures should be reported for thevolume of the metal bar shown here?…

A: Since 2.5 cm has only two significant numbers, the volume is reported in 2 significant figures.…

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: The mass of 10 mL of a liquid is 10.112 g. What is the density if the liquid is water? [Select ]…

A:

Q: The number 621.0870 rounded to 4 significant figures is

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

Q: How many significant figures does the number 5.0000 have

A: Significant figures can be defined as the number of required digits to show the required level of…

Q: Which numbers have five (5) significant figures? Choose all that apply. 3.97410 x 1012 2.3926 x 103…

A: For determining the significant, we consider the rule- 1) If no any decimal is present then not…

Q: 4- Perform the following calculation and report the result to the correct number of significant…

A: The correct option is D i.e 2.8  as we significant upto 2 decimal places then 2.81690 = 2.8

Q: Rule: When we multiply or divide numbers, we should round the result to the same number of digits as…

A: Unit conversion is a multi-step process that involves multiplication or division by a numerical…

Q: The diameter of the earth at the equator is 7926.381 mi. (a) Round off the earth's diameter to four…

A:

Q: How many significant figures are in 9630.0010? (numerical answers only) N

A: Given,  How many significant figures are in 9630.0010 ?

Q: Round the value 44.981 g to three significant figures.

A: Rounding significunt rules:  Non-zero digits are always significant Zeros between non-zero digits…

Q: Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 +…

A: Significant figures are the figures that are necessary to indicate quantity of something.

Q: When you see this number: 4 000 --- or four thousand, how do we mathematically and scientifically…

A: Significant figures or numbers are defined as the number of meaningful digits in a measured…

Q: Perform the following calculation. How many significant figures should your answer be reported to?…

A: The expression given is,

Q: How many significant figures are in the following: c.) 0.00145 d.) 100365 e.) 1.20 x 10² f.)…

A: Significant figures in the given data are determine using following concepts :-  1) All non-zero…

Q: density of object?

A: Density of object = mass of object/volume of object  If mass in gram and volume in mL then ,  Unit…

Q: 15) How many significant figures are in 4.010000kg? A) 7 B) 3 C) 5 16) What is the answer for the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 78 - Which answer has the correct number of significant figures? 0.08206 x (273.15 + 9.8) 0.927 х…

A: The number that is expressed in the form of digits is established using significant figures. These…

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.