Mathematics, 21.08.2020 07:01 mikego5

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 numbers. How do the properties of operations allow Patti to take that approach? PLZ HELP ME I NEED THIS HELP PLZ

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Patti is using mental math to evaluate the expression (70 + 12.8 + 30) + 6.1. She recognizes that th...

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