Patti is using mental math to evaluate the expression (70 + 12.8 + 30) + 6.1. She recognizes that the expression will be easier to simplify if she can combine 70 and 30 before she works with the other

asked Mar 2, 2021 73.2k views

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by Janks

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6 votes

Answer:54

Explanation:

SoField answered Mar 3, 2021

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3 votes

Answer:

D. She can use the commutative property to rewrite the expression as (70 + 30 + 12.8) + 6.1

Explanation:

Oddthinking answered Mar 7, 2021

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