Mathematics, 07.04.2020 06:26 scottytohotty
Patti is using mental math to evaluate the expression . 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?
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Patti is using mental math to evaluate the expression . She recognizes that the expression will be e...
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