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Because some decimals are really long and hard to write down. Especially if they're not repeating ones. So people round them to be able to say them or write them.
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∙ 13y ago
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How can you estimate sums or differences of decimals?
In the same way as you estimate them for whole numbers.
How do you find a low estimate for the product of two decimals round both factors to?
to find a low estimate for the product of two decimals, round both factors
How do you use benchmarks to estimate decimals?
by estimating the number after the decimal
How do you estimate decimals?
Decimals are estimated by rounding off the decimal places to the nearest tenths,hundredths,thousandths,ten thousandths,etc.
How do you use benchmark decimals to estimate 0.92 0.45?
1.0 and 0.5
How do you estimate sums with decimals?
I think you round it to the nearest whole number...
How is decimals better than percents?
They are not, so the question is misguided. Decimals are good for some purposes, percentages for others.They are not, so the question is misguided. Decimals are good for some purposes, percentages for others.They are not, so the question is misguided. Decimals are good for some purposes, percentages for others.They are not, so the question is misguided. Decimals are good for some purposes, percentages for others.
Estimate a range for the sum decimals?
7.8+31.39+6.95
What is 32.1 in decimals?
32.1 does is good enough.
How do you divide decimals in math?
You divide decimals like you normally would divide two numbers. Just make sure your decimals get in the right spot and your good! :)
How can you use an estimate to help you place the decimal point in multiplying decimals?
0.235 * 0.6891 = 0.1619385 What's to estimate? The total decimal places in the multiplicands is the total in the answer.
Why is estimating important when dividing with decimals?
Using an estimate ensures that the answer is about right. With decimals where the decimal point should go is difficult for a lot of people, so an estimate of the answer ensures that it is put in the right place.
