# Basic College Mathematics

Mathematics

## Quiz 4 : Decimals Study Flashcards  Looking for Calculus Homework Help?

## Quiz 4 :Decimals

Question Type  Write each decimal as a fraction or mixed number in lowest terms. 18.4
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Essay

To write the decimal number as fractions or mixed numbers we follow the following steps:
Step 1: The digits to the right of the decimal point are the numerator of the fraction.
Step 2: The denominator is 10 for tenths, 100 for hundredths, 1000 for thousandths, 10,000 for ten-thousandths and so on.
Step 3: If the decimal has a whole number part, it will be written as a mixed number with the same whole number part.
Step 4: After we write a decimal as a fraction or a mixed number make sure the fraction is in lowest term.
Here the given decimal number is .
The digit to the right of the decimal point , are the numerator of the fraction. The denominator is because the rightmost digit is in the tenths place. Therefore Tags
Choose question tag  Round each decimal to the place indicated. 725.6089 to the nearest tenth
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To round decimal numbers we follow these steps:
Step 1: Find the place to which the rounding is being done. Draw a cut off line after that place to sow that we are cutting off and dropping the rest of digits.
Step 2: Look only at the first digit we are cutting off.
Step 3: If this digit is 4 or less the part of the number we are keeping stays the same and if the digit is 5 or more we must round the part of the number we are keeping.
Step 4: we can use the symbol to indicate that the rounded number is now an approximation.
We wish to round here the decimal number to the nearest tenth.
At first we draw a cut-off line after the tenth place. We are cutting off the , it will be dropped.
The first digit cut is 4 or less, so the part we are keeping stays the same. Therefore we can write .

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Choose question tag  Refer to the article. (a) How many pounds of lawn fertilizer are used each year in the entire metro area (b) Do a division on your calculator to find the number of households in the metro area. (c) Why does it make sense to round your answer to part (b) How would you round it
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Essay

Consider that the number 499,501
To round 499,501 to nearest thousand:
Observe the digit, which is in the hundred place. 5 is at hundred place.
If 5 or more at hundred place, add 1000 to 499000 to round the nearest thousands.
Therefore, Thus the nearest thousands of 499,501 is .

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Choose question tag  Name the digit that has the given place value. 896.503 tenths tens
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Choose question tag  Solve each application problem.Round each number as indicated. 499,501 to the nearest thousand
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Choose question tag  When the average amount of lawn fertilizer per household was calculated, the answer was probably not exactly 36 pounds. List six different values that are less than 36 that would round to 36. List two values with one decimal place; two values with two decimal places; and two values with three decimal places. (b) List six different values that are greater than 36 that would round to 36. List two values each with one, two, and three decimal places.
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Choose question tag  Solve each application problem.Round each number as indicated. $0.0528 to the nearest cent Essay Answer: Tags Choose question tag  Name the digit that has the given place value. 20.73861 tenths ten-thousandths Essay Answer: Tags Choose question tag  Write each decimal in words. 60.007 Essay Answer: Tags Choose question tag  Write each decimal as a fraction or mixed number in lowest terms. 0.075 Essay Answer: Tags Choose question tag  Write each decimal as a fraction or mixed number in lowest terms. 0.5 Essay Answer: Tags Choose question tag  Name the digit that has the given place value. 243.059 tenths hundredths Essay Answer: Tags Choose question tag   There are 2000 pounds in one ton. (a) Find the number of tons equivalent to 25,529,295 pounds of fertilizer. (b) Does your answer match the figure given in the article If not, what did the author of the article do to get 12,765 tons (c) Is the author's figure accurate Why or why not Essay Answer: Tags Choose question tag  Name the digit that has the given place value. 0.6817 ones tenths Essay Answer: Tags Choose question tag  Solve each application problem.Round each number as indicated.$709.60 to the nearest dollar
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Choose question tag  Solve each application problem.Round each number as indicated. 602.4937 to the nearest hundredth
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Choose question tag  Simplify each expression in Exercises 5-21. 10 - 0.329
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Choose question tag  Name the digit that has the given place value. \$5824.39 hundreds hundredths
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Choose question tag  Write each decimal in words. 0.0208
Essay  Simplify each expression in Exercises 5-21. 2    