Question

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Answer 1

Explicação passo-a-passo:

1) -12 = 4x -2x

-12 = 2x

-12/2 = x

-6 = x

2) 2^4= 16 + (2^0)= 1

16 + 1 = 17

3) 3^5 = 3 x 3 = 9 x 3 = 27 x 3 = 81 x 3 = 243