Patti is using mental math to evaluate the expression open paren 70 plus 12 point 8 plus 30 close paren plus 6 point 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. Which should she do first?

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Revolt · Accepted Answer

She can use the commutative property to rewrite the expression as  open paren 70 plus 30 plus 12 point 8 close paren plus 6 point 1 .

Using Properties of Operations - Quiz Quiz

Patti is using mental math to evaluate the expression open paren 70 plus 12 point 8 plus 30 close paren plus 6 point 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. Which should she do first?

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