Question

calcule.

c) (2/3)-⁴
d)5-³
e) (2/5)-³
f) (6/3)-¹​

Answer 1

Explicação passo-a-passo:

REGRA >> EXPOENTE NEGATIVO>>>> passa expoente para MAIS, invertendo a base

a

( 2/3)^-4 = ( 3/2)^4 = 3/2 * 3/2 * 3/2 * 3/2 = 81/16 >>>>>resposta

b

(5/1)^-3 = ( 1/5)³ = 1/5 * 1/5 * 1/5 = 1/125 >>>>resposta

c

( 2/5)^-3 = ( 5/2)³ = 5/2 * 5/2 * 5/2 = 125/8 >>>>resposta

d

(6/3)^-1 = ( 3/6)¹ = 3/6 >>>>resposta

expoente 1 a resposta é a base