Pamela R.

asked • 08/13/20

Select the expression that is correctly evaluated

A. 50=0

B. 71=7

C. 42=8

D. 63=18

1 Expert Answer

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Zia M. answered • 08/13/20

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B. 71=7


Why are the other answers wrong?


For A, any number that has a 0 as an exponent is going to be equal to 1. 10=1, 570=1, etc.

For C, 42= 16, not 8. 42 can be rewritten as 4×4, NOT as 4×2

For D, the explanation is the same as C. 63=6×6×6=108, NOT 6×3=18

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