What of these, if any, is/are a correct representation(s) of a number in scientific notation? Sele 0.91x 10^1 82.00 x 10^-2 4.32 x 10^3 7.6x10^2 0.21x 10^4

Q: Perform the following calculation and report each answer with the correct number of significant…

A: Answer:In multiplication operation number of significant digits in final answer will equal to the…

Q: Which of the measurements contain four significant figures? 5.0×10^4 3957 1.000×10–3 0.0100 0.0001…

A: Significant Figures - It basically tells us, how much a value is accurate.

Q: A marble ball is placed on a scale and is found to have a mass of 32.2 g. If the radius of the…

A: Given: Mass of the marble ball (m) = 32.2 g, radius of the marble ball (r) = 1.2 cm, π = 3.14…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Significant Figure Rule:When multiplying or dividing numbers, the result has the same number of…

Q: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: Assuming all of the numbers are measured quantities, perform the following arithmetic setups and…

A: Significant figures of a number are necessary to indicate quantity of something. It is also known as…

Q: Density of substance can be express in which of the following units? 1.cm^3 2. g/cm^3 3. ML 4.…

A: Density (d) :-  Density of a substance is defined as the ratio of mass of the substance to the…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Same Units cancel each other if present in division form only. Treat units similar to the numbers…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: -> In addition and substraction answer contains lowest number of decimal places.-> In…

Q: Multiply or divide the following measurements. Be sure each a digits. 0.934 cm x 3.825 cm = 339.9…

A: For the correct number of significant figures in multiplication and division ,the least number of…

Q: Convert 3.09 x 10^-3 m to the equivalent length in nanometers 3.09 x 10^-3 m =

A: In this question, we will Converted m to nm unit  You can see details Solution below.

Q: If the radius of the sun is 7.001×105  km, what is the average density of the sun in units of grams…

A: Density can be calculated as: Density=MassVolume

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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

Q: Perform the following calculation, reporting your answer to correct number of significant figures:…

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

Q: 0.93 cm x 4.925 cm 358.62 g 64.52 mL 93. g mI 1 = X 93. mL = cm 0 mL 5.0 g

A: The expressions given are:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: There are some rules of multiplying and dividing with units . If we multiply the term with units ,…

Q: if you multiply 10^9 by 10^-1 what is the exponent of the final answer you need to only enter a the…

A: To solve this problem we have to do unit conversion

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Addition and subtraction:According to significant figures rules,during addition/subtraction,the…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Answer :----1. 803.7 m / 0.89 s= 903.0337 m/s (Keep all significant digits in the division)2. 78.1…

Q: Lidocaine, a widely used local anesthetic, is available as a 0.50 % (w/v) solution for injection.…

A: Given :  Concentration of lidocaine = 0.50 %(w/v)  Mass of lidocaine = 65. mg

Q: Complete the following calculation and express the answer with the correct number of significant…

A: To solve this question, first solve the numerator part and round off answer to least decimal place.…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The final result of multiplication and division should be rounded to the same number as the least…

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: Calculate the mass of iron(III) oxide (Fe₂O3) that contains a million (1.0 × 106) oxygen atoms. Be…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: We have to multiply or divide…

Q: Perform the following multiplications and divisions and express the answer in the correct number of…

A:

Q: lume (in L) of an object that has the density of 1.48 g/cm^3 and a mass of 2

A: The volume and mass of a substance are related by the density of a substance.

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rules for determining the correct no. Of significant figures in answers:Rule 1. The result of an…

Q: Express the result of the following calculation in scientific notation: 301 cm x 439 cm 1.32 x 10°…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Addition and subtraction:Here, in this case we round the answer to the same number of decimal places…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Round the following number to four significant figures and express the result in standard…

A: • All non zero digits are significant.• All zeros between two non zero digits are significant.•…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: In scientific measurements, the significant digits of a number are those digits that carry…

Q: 2.0947 mL X 2.425 mL 642.98 + 79.239 mL mL 2 78.08 cm X 45. cm cm

A: For division and multiplication, the answer should have the same number of significant figures as…

Q: What answer should be reported, with the correct number of significant figures, for the following…

A: To determine the correct number of significant figures in the answer for the calculation (965.43 x…

Q: Each of these numbers is written in exponential form, but not in proper scientific notation. Write…

A:

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.