Question

Round each decimal number to the nearest tenth. Then, select the best estimate for the addition equation 1.51 + 0.39 = ___.

A.1.8
B.1.9
C.2
D.2.9

Answer 1

Hi there!  

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I believe your answer is:  

1.51 + 0.39 ≈ 2

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Here’s why:  

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• Round each decimal number to the nearest tenth.

1.51 ≈ 1.5

0.39 ≈ 0.4

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1.5 + 0.4 = 2

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Hope this helps you. I apologize if it’s incorrect.