use a mental math strategy to find 4,290+3,602. explain how to check your answer using a different strategy.

1 answer:

5 0

=7,892 , you could write out your numbers, then line them up to then add them.

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zhannawk [14.2K]

A) mean & C) median, I believe

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vazorg [7]

12/20=.6

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lapo4ka [179]

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anastassius [24]

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Hitman42 [59]

Yes they are equivalent. You get -3 when you try solving the actual equation.

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