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31 March, 19:35

Estimate

15+65

by first rounding each number to the nearest ten.

+4
Answers (2)
  1. 31 March, 19:49
    0
    I think its answer is 80
  2. 31 March, 19:56
    0
    Original problem: 15 + 65

    Rounding: 15 - > 20 65 - > 70

    Addition: 20 + 70 = 90

    So, 15 + 65 rounded to the nearest ten is 90.
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