math exponents

i need to write each expression as a product of the same factor:
* = multiply can you check these please

a^2 i got a*a

19^3 i got 19*19*19

-6^2 i got 6*6*-1

-x^3 i got x*x*x*-1

(-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5)

4^3 i got 4*4*4

-(10)^2 im not sure how to do??

20^1 i got just : 20

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  1. -(10)^2 = -(10*10) = -100

    Otherwise, you are correct, as far as you went.

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