Question

a) (8/3)²
b) (5/2)-³

Answer 1

Oie, Td Bom?!

a)

$( \frac{8}{3} ) {}^{2} = \frac{8 {}^{2} }{3 {}^{2} } = \frac{64}{9}$

b)

$( \frac{5}{2} ) {}^{ - 3} = ( \frac{2}{5} ) {}^{3} = \frac{2 {}^{3} }{5 {}^{3} } = \frac{8}{125}$

Att. Makaveli1996