试题与答案

底数是-5,指数是2的幂可以表示为( ) A.-5×2 B.-52 C.(-5)

题型:选择题

题目:

底数是-5,指数是2的幂可以表示为(  )

A.-5×2

B.-52

C.(-5)2

D.2-5

答案:

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