Write the numbers in scientific notation.   673.5 673.5= 6.735×102     ×10? ?= 6.735     0.034 0.034= 3.4×10-2     ×10? ?=

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

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Q: How many significant figures are in this number? 0.70050 g

A: • Significant figures are meaningful digits which are known with certainty.  • There are certain…

Q: Write each of the following numbers as “ordinary” decimal numbers.   6.244 x 103   9.117 x 10-2…

A: The given scientific notation is 6.244 x 103, to write the ordinary decimal notation, the decimal…

Q: Convert 7.54×10^-8m to nanometers. Use only the metric system

A: Metric system : A unit system that is used to measure the physical quantity of a certain…

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: Write the numbers in scientific notation. 291.7=291.7=   ×10?×10x where ?=x=     0.0960=0.0960=…

A: The numbers given are 291.7 and 0.0960.

Q: How many significant figures are there in each of the following numbers? 91.00 151900.0 3900.00 7810

A: Given, The set of numbers: 91.00 151900.0 3900.00 7810

Q: 1. Which of the following quantities has three significant figures? a) 0.0095 b) 0.4 c) 101 d) 0.10…

A: a) 0.0095  two significant figure b) 0.4  one significant figure c) 101   three significant figure…

Q: Write the numbers in scientific notation. 673.5 673.5 = x 10° 0.034 0.034 = x 10 b =

A: The numbers given are 673.5 and 0.034.

Q: How many significant figures are there in each of the following numbers? 59.94 0.03484 921.784…

A: Numbers given :  1)  a)59.7 b)0.09902 c) 0.1545  d) 357.58  2)  a) 59.94  b) 0.03484  c) 921.784  d)…

Q: 40ml 30 20 40ml 10

A: ->Non zero digits are always significant. ->Any zero between two significant digits are…

Q: What decimal power does the abbreviation pico represent? O 1 x 106 O 1 × 10⁹ O 1x 10-1 O 1 x 10-12 O…

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

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Q: Convert the following measurement. -8 mol 8.6 × 10 g.cm = 0 mol 2 kg m

A: The conversion of quantity from one unit system to another unit system is known as unit conversion.…

Q: How many significant figures are in this value? 0.023558

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

Q: In which of the following numbers are all the zeroes significant? 104.040 1040 0.1480 200 0.08090

A: The general rules of determining the significant zeroes are: All zeroes to the right of a decimal…

Q: Round each number to three significant figures. 25,401 1,248,486 0.001265982…

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Q: Write the numbers in scientific notation. 1071 1071 = 0.00091 0.00091 = x 10⁰ x 10 am b=

A: By using a scientific notation we can write a very large or very small number easily.

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: Convert each number to standard notation. 3.4x108 5.8220x10-5 3x102 6.860x10-8

A: Standard notation is the normal way of writing numbers as we generally use it. In this we neither…

Q: Write the following numbers in scientific notation:

A: We are given few numbers, and we have to write them into scientific notation.

Q: identify the number of significant figures 3.46728 + 14.91 + 0.98001 + 5.231 23.1 + 4.77 + 15.39 +…

A: We have to calculate the number of Sig figs in the results of given calculation.

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 significant figures should be in the answer to this problem: 5.01 * 3.493     5     4…

A: To  calculate: Number of significant figures in the result of multiplication: 5.01 x 3.493 It can be…

Q: Round each number to two significant figures. 233.356: 0.002353: 1.005: x10 TOOLS

A: Significant figures of a number in positional notation are digits in the number that are reliable…

Q: How many significant figures are there in each of the following numbers? 90.59 0.01776 272.5 0.53

A: The significant figures of a given number are those significant digits, which express the meaning…

Q: Are numbers below exact or measured numbers?    Number Exact or Measured Number Exact or Measured…

A: The exact number is the number which contain two or three digits after the point . If it is 0 then…

Q: Perform the given calculation. You must round correctly and report the answer with the proper number…

A: The solution should have the same number of decimal places as the limiting term when adding or…

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

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

Q: Convert the following numbers into scientific notation:  1) 923 =  2) 0.00425 =  3) 4523000 =  4)…

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

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

A: In chemistry g/mL or g/L is readily used so in order to convert one to other we have to used the…

Q: Using rules for significant figures in calculations, divide 0.39 by the number 5.12. Choose the…

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Q: How many significant figures are in each of these measurements? 71. 93 g, 0.420210 kg

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

Q: scientific notation

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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: Precise? Accurate? Density= Measurement, Significant Figures, Rounding, 1. How many significant…

A: The objective of the question is to identify the significant figures in the each given measurements.…

Q: Question 15 ( Use Scientific Notation (and only scientific notation!) to find the answer to the…

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Q: 299.401319818 You need 5 total significant figures Using the rules. Include all the numbers that…

A: The question is based on the concept of analytical chemistry . we need to write the given number up…

Q: How many significant figures are in the following numbers? 0.0240 g 0.10050 L 400.020 mL 20020 cm…

A: some basic rules for counting Significant digits in Given number: All non zeros are countable as…

Q: 87.4 %| 1.902 – 1.43

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

Q: Change

A: According to the question, we need to express the numbers to scientific notation. (a) 66793…

Q: In which of the following pairs of numbers does each member of the pair have the same number of…

A: Significant digit rules:All the non-zero digits are significant.Zeros between any two non-zero…

Q: How many significant figures are present in each measurement? a) 630.05 meters b) 2.00 × 10* seconds…

A: Rules for counting significant figures: Any non-zero numbers are significant. Zeros between…

Q: Which of the following has the same number of significant figures as the number 10.3100? 8.66…

A: In the given question we have to find the number which has same number of significant figures as the…

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.