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The general idea is to quickly get an approximate answer - in a way that you can do much of the calculations, or all of them, in your head.

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11y ago

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Related Questions

How do you estimate a math problem?

To estimate, you round the number to the nearest 10 and add, subtract, divide, or multiply. If the number is a decimal (ex. 12.132), you would round it to 12, and then round that to 10.


What number is closest to 1437 which is divisible by 12?

I suggest you divide 1437 / 12, round the result to the nearest integer, then multiply by 12 again.


83x29 closest estimate 2400 because?

83x29 is estimated to 2410 if you round it up.


Which is estimate of 8.99?

An estimate of 8.99 would be 9, as it is the closest whole number to 8.99. When estimating numbers, it is common practice to round to the nearest whole number for simplicity. In this case, rounding 8.99 to the nearest whole number results in 9.


What is the closest number to 57.92?

58 if your trying to round up.


How do you round 1.283 to the nearest whole number?

The number 1 is the closest whole number to 1.283.


How do you round to estimate the product 38 x 2?

To round to estimate the product of 38 x 2, you first round each number to a more manageable value. In this case, you can round 38 to 40 and 2 to 0. Then, multiply the rounded numbers together to get an estimate of the product. In this case, 40 x 0 = 0. So, the estimated product of 38 x 2 is 0.


How do you estimate by rounding?

Rounding is when you take a decimal or fraction and make it the closest whole number. If the number you are rounding is five or higher round up and if it's four or below round down. For instance, 7.2 rounds down to 7, 6.8 rounds up to 7.


What is the estimate of 37x22?

To estimate 37x22, we can round each number to the nearest tens place, which would be 40 and 20. Then, we can multiply these rounded numbers together to get an estimate. 40 multiplied by 20 is 800. Therefore, the estimate of 37x22 is 800.


How to multiply with significant figures?

To multiply with significant figures, multiply the numbers as usual and then round the answer to match the number of significant figures in the least precise number used in the calculation.


When you round both factors to a greater number how will your estimate compare with the exact number?

Your estimate will be greater than the exact number.


How do you round 38.05837 to the nearest whole number?

You look at the number on the right closest to the decimal and if it is 5 or greater round up and if it is 4 or lower round down. In this case, 38 is the answer.