Question

express as a rational number:
a) 5^-1
b) 5^-2
c) (-3/4)^-1
d) 4^3*4^-5 e) [(3/2)^-2]^2
Kindly tell the right answer for each of the 4 parts..

Answer 1

Answer:

Ans 1.) 5^-1 =1/5

ANS 2.) 5^-2=1/25

ANS 3.)(-3/4)^-1 =4/3

ANS 4.)4^3÷4^-5 e) [(3/2)^-2]^2 =1/8