Question

Qual a potência de (-3/4) elevado a -2?

16/9
9/16
4/3
8/6

Answer 1

Oie, Td Bom?!

$( - \frac{3}{4} ) {}^{ - 2} = ( - \frac{4}{3} ) {}^{2} = ( \frac{4}{3} ) {}^{2} = \frac{4 {}^{2} }{3 {}^{2} } = \frac{16}{9}$

Att. Makaveli1996