mwcheermom
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Round each number to the nearest ten.   What is the best estimate for the answer to 34.76 −13.21?   A. 12   B. 20   C. 21.6   D. 30

Answer :

it is 30 because the number is less than 5 so it is 30
the answer is C 21 because the actual answer is 21.55

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