Question

1. Ubahlah menjadi pangkat positif !

A. 2^-2
B. (3b)^-4

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Answer 1

Jawab:

A. 2^(-2) = 1 / 2^2 = 1 / 4 = (1/2)^2

B. (3b)^(-4) = 1 / (3b)^4 = 1 / (81b^4) = (1/3b)^4

Answer 2

SOAL A.

• [tex]{2}^{ - 2} = \frac{1}{{2}^{2}} [/tex]

SOAL B.

• [tex]{(3b)}^{ - 4} = \frac{1}{{(3b)}^{4}} [/tex]