estimate the sum of 15 and 21
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Answer:
Estimating a Sum. A quick way to estimate the sum of two numbers is to round each number and then add the rounded numbers.
Step-by-step explanation:
in this way you can estimate 15 and 21
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Answered by
1
Answer:
Estimating a Sum. A quick way to estimate the sum of two numbers is to round each number and then add the rounded numbers.
Step-by-step explanation:
in this way you can estimate 15 and 21
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