What is the estimate sum of 8.91 plus 1.16?

Anonymous

∙ 13y ago

Updated: 8/19/2019

To quickly estimate a sum, you round both numbers to the nearest easy significant figure. In this case 8.91 can be rounded up to 9. 1.16 can be rounded down to 1. You then complete the sum with the rounded figures. 9+1 = 10, so the estimate of 8.91+1.16 is 10.

Wiki User

∙ 13y ago

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