Question

4 - Determine as potências com expoentes negativos:
a) 3-3=
b) 7-2=
c) 4-1 =
d) 2-4 =​

Answer 1

Resposta:

$a)\\ 3^{-3}={1\over3^3}={1\over27}\\ \\ b)\\ 7^{-2}={1\over7^2}={1\over49}\\ \\ c)\\ 4^{-1}={1\over4}\\ \\ d)\\ 2^{-4}={1\over2^4}={1\over16}$