Question

(27)^-2/3 is equal to

Answer 1

=1/9

Explanation:

Apply exponent rule: a^-b=1/a^b

(27)^-2/3 = 1/(27)^2/3

Step-by-step method in attachment:

Answer 2

1/9

Explanation:

(27)^-2/3=(3^3)^-2/3= 3^(-2/3*3)= 3^-2= 1/3^2= 1/9