rewrite the following statement using a number in scientific notation. The diameter of a certain atom is about 0.67 nanometers. The dimeter is how many meters

Q: What is the density of a 789 kg object that is 1.58 m³ in size? number unit

A: Given, Mass the object = 789 kg Volume of the object = 1.58 m3 Density of the object = ?

Q: The correct number of significant figures in the number 9.080x10^-4

A:

Q: How many significant figures are present in each of the following numbers? a) 100.34 b) 2.00 c)…

A: Given,The numbers:a) 100.34b) 2.00c) 0.0045d) 3000.

Q: D. The oxidation of a phosphine to phosphorous pentoxide is given by the chemical equation: PH, + 0,…

A: The answer for the following question is -

Q: Write the numbers in scientific notation. 10991099 1099=1099=       ×10?×10a ?=       0.000950.00095…

A:

Q: Do the following calculations to the correct number of significant figures: a.) 3.8 x 105-8.45 x…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A solution has a mass of 13.05 grams and a volume of 14.4 mL. What is the density of this solution,…

A: Density is defined as the mass per unit volume. Density = MassVolume…

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

Q: convert 7.54 x 10^-8m to nanometers using only the metric system

A: The term SI base unit refers to the seven units of measurement which have been defined by the…

Q: 5 - Which of the following numbers are not rounded correctly to 3 significant numbers O a) 1367 >>>…

A: Significant digits are those numbers which are important to used during mathematical operations.…

Q: Complete the following mathematical operation and answer with the correct number of significant…

A:

Q: Convert 0.0440 km to meters. The answer must have the correct number of significant digits 44.0 x…

A:

Q: meters

A:

Q: The density of oxygen is 0.001429 grams per cubic centimeter. How is the number written in…

A: Given that, Density of oxygen = 0.001429 grams per cubic centimeter We need to express the this…

Q: the correct number of significant figures in 2.33×18

A: • We need to calculate the number of significant figures for the expression in 2.33 × 18

Q: The number 1.050 × 109 has how many significant figures?

A:

Q: Density of Unknown Solid, mass of picnometer + metal + water is 75.167g, what is the number of…

A: All the non-zero numbers are significant figures and zeroes between two non-zero numbers are…

Q: reword this to simpler terms,  The answer is 4718 g. It contains zero significant figures in the…

A: Significant Figure Rules for Addition:In this case we round the answer to the same number of decimal…

Q: Write each of the following numbers to 3 significant figures in exponential or scientific notation.…

A: Significant figure on a number in positional notation are the digits in that number which are…

Q: How many joules are in 6,458 Cal? Express your answer in scientific notation with the correct number…

A: Given:Energy in calories, E=6458 Cal we know that,1cal = 4.184JTo convert the given calories in…

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: 4. Express in scientific notation. Include all significant figures. 0.000000738592

A: Answer: When we represent a number in scientific notation, there are two components of it, one is…

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: Calculate the following mathematical expression with the correct number of significant figures:…

A: We have to calculate here the given mathematical expression with the correct no. Of significant…

Q: How many cubic millimeters equal one cubic meter? Enter the answer as an exact number. Show…

A: The unit to measure length can be expressed in meter, centimeter, and millimeter too.

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: Convert 460.3 ml to quarts. Express your answer with the correct number of significant digits.

A: Since we know that 1 milliliter (ml) = 0.001056688 quart (qt). Where ,  Milliliter (ml ) is a unit…

Q: Convert 0.00787 meters to inches, with correct sig figs.  (1 inch = 2.54 cm, and this is an EXACT…

A:

Q: What fraction or multiple of the meter might be the most appropriate measurement for the distance…

A: . step1: Given: distance between Chicago and Saint Louis. Find out:hat fraction or multiple of the…

Q: how many micrometers are in 1.00 kilometers?

A: It is required to calculate how many micrometers (µm) are there in 1 km.

Q: A sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL. What is the mass of water in…

A: Mass = Volume x density

Q: Calculate the density of aluminum if it has a mas of 83.6g and a volume of 23.99 mL. Use correct…

A: Weight of Aluminium = 83.6 gm Volume of aluminium = 23.99 ml

Q: Express the following number in a scientific notation: 0.000010024uL

A: Introduction In scientific notation, a particular number is expressed in a way as follows: p x 10n…

Q: As a whole number what is 4.13x10-7

A: Given:- 4.13 × 10-7 write whole number -

Q: If I wanted to convert 34.5 meters in to km which of the following conversions factors would I need?

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Q: Express the following quantity in standard notation for the given unit. (Do not type the unit into…

A:

Q: Carry out the division and enter the quotient with the proper number of significant figures in…

A: This is a division operation and in division, the number of significant figures are equal to the…

Q: A woman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20…

A: Significant figures of a number printed in a positional notation are digits which make a…

Q: When numbers are very small or very large, it is convenient to either express the value in…

A: Scientific notation: Scientific notation is a way of expressing numbers to be conveniently written…

Q: An empty flask has a mass of 56.458 grams. 50.0 mL of an unknown liquid are added to the flask and…

A:

Q: 1. Given that 1 kilomoeter (km) = 0.6214 miles; calculate the following:       How many miles is 10…

A: 1 kilomoeter (km) = 0.6214 miles  as 0.6214 miles = 1 km  multiply both side by 10  so , 6.214 miles…

Q: Subtraction - express all answers in the correct significant figures - be sure to include units…

A: Significant Figures -  They indicate the reliability of a number that tells us how many digits are…

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.