Use mental math to find 20x80. think about the pattern. 2 x 8 =16 20 x 8 = 160 20 x 80 = 1,600

asked Apr 13, 2020 69.6k views

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Use mental math to find 20x80.

think about the pattern.
2 x 8 =16
20 x 8 = 160
20 x 80 = 1,600

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1 vote

You increase the zeros one by one as the numbers get bigger

Terrian answered Apr 19, 2020