How can the number 642,000 g be written to indicate that there are four significant figures

Q: How many significant figures are in each of these measurements? 93 g, 420210 kg,

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Q: Write an expression for the quantity 506,000 cm in which it is clear thatall the zeros are…

A: The given quantity is 506,000 cm.

Q: How many significant figures are in each of the following numbers (assume that each number is a…

A: (a) The significant figure for 4.003 is 4 because zeros between two non-zero digits is…

Q: When the calculation (1.0453x10-1.4) x 1.604 is carried out, the number of significant figures in…

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Q: 6. How many significant figures does the following number have: 0.002040 6. O 4 2

A: Given: 0.002040

Q: Indicate how many significant figures there are in (a) 0.305 0 (b) 0.003 050 (c) 1.003 X 104

A: a.  0.3050 Number of significant figure:  4   b.  0.003050 Number of significant figure:  4

Q: Express the number 554,780,000,040 in scientific notation to three significant figures.

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Q: Why does 25000 only contain 2 significant figures?

A: Given that a number 25000 25000 only contains two significant figures.

Q: I have to have the correct number of significant figures

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Q: The state of Colorado is listed in a road atlas as having a population of 5,546,574 and an area of…

A: Given information,        Population in Colorado is 5,546,574         Area of Colorado is 104,091…

Q: Indicate the number of significant figures

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Q: 2. Express the number 500 cm so it is clear that there are only two significant figures.

A: Since you have asked multiple question, we will solve the first question for you as per our…

Q: Determine the number of significant figures in the following masses.a. 0.00040230 gb. 405,000 kg

A: Significant figures of a number is the positional notation where the digits in the number are…

Q: significant figures

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

A: Non zero digits are always significant.

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: Which of the following has exactly four significant figures? 0.0592 0.08206 8.314 5420 5.4 x…

A: Significant figures of a number are the digits which gives a meaningful contribution to the…

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: Perform the following calculations and express each answer to the correct number of significant…

A: The solution is as follows :

Q: The number 4.0 × 105 has significant figures.

A: Number of significant figure in 4.0 ×105?

Q: A sample that has a mass of about 25 g is weighed on a balance that has a percentage of 0.0001 g.…

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Q: How many significant figures are there in 463.8052? (Give a numerical answer)

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Q: How many significant figures are in the number 0.0204600? Express this number in scientific…

A: Zeroes before 2 are not countable but after 6 are countable. So it has 6 significant figures.

Q: Identify the number of significant figures in the numer 9.00 x 107

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Q: When you perform the following operations, how many significant figures should your answer have?…

A: when adding or subtracting measurements with significant figures,the result has the same number of…

Q: How many significant figures does the difference 218.7201 – 218.63 contain?

A: For calculation of difference between two numbers, answer should be in least number of decimal…

Q: The number 114.4335 rounded to 5 significant figures is

A: All non zero numbers are consider as significant figures.

Q: How do I know the number of significant figures if the decimal notation is 8,725 km and the scientic…

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Q: How many significant figures in the following numbers?

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Q: 4) how many significant figures are there in the following numbers. if the number is exact or…

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Q: of significant figures in

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Q: When expressed using an appropriate prefix, the quantity 3.77 × 10–2 L should be written as (write…

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Q: 0.000000100092 in scientific notation to two significant figures

A: Significant figures: The digits which are measured in a number including one estimated digit is…

Q: Express the following numbers as decimals:(a) 1.52 × 10−2 , (b) 7.78 × 10−8 , (c) 1 × 10−6, (d)…

A: Given numbers   Numbers Part(a) 1.52×10-2 Part(b) 7.78×10-8 Part(c) 1×10-6 Part(d)…

Q: A marble weighs 4717 µg. How much does it weigh in grams? Please round your answer to the 5…

A: 1 microgram =1 × 10-6 gram 4717 microgram = 4717 × 10-6 gram

Q: The number 4861.850 rounded to 3 significant figures is

A: If any number give in more digit and we have to write in less significant figures use power method…

Q: After carrying out the following operations, how many significant figures are appropriate to show in…

A: We have to predict the number of Sig figs in result.

Q: How many significant figures are in the number 0.0032?

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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: A sample that has a mass of about 21 g is placed on a balance that has a precision of 0.0001 g. How…

A: Precision means degree of reproducibility of the measurement. Precision 0.0001g means (+ or -)…

Q: Identify the number of significant figures in the number 1.0 x 10^10

A: Rules for significant figures are:  1. All non zero digits are significant. 2. If two non zero…

Q: Convert 3600. Mg into ng(give the answer in the correct number of significant figures)

A: Here we need to convert Milligram into Nanogram.Milligram= It is a unit used for measuring amount of…

Q: How many significant figures should your result contain? What is the calculated density? Express…

A: Given calculation : density =68.895 g(23.5 mL -14.7 mL)1cm31 mL

Q: Express the quantity using significant figures to imply stated error.. 1.  963  + 0.0001

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Q: The number 8.07 x 10 3 has significant figures.

A: Significant figures:-  It is basically a measure of accuracy and precision.

Q: Which of the following expresses the sum: 142 + 1020 + 3.67 X 104 with the correct number of…

A: The question is based on the concept of significant figures. We have to calculate the answer up to…

Q: How many significant figures are there in 0.003840? ( give a numerical answer)

A: Introduction- Significant figures are the digits that have meaning and are non-zero integers. To…

Q: please put the correct numbers of significant figures

A: The amount of the product that is expected to be obtained according to the law of conservation of…

Q: How many significant figures does the number 1.030x10^7 have?

A: Answer

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.