Question

Evaluate

a) 9^-1/2
b) 27^-2/3​

Answer 1

Answer:a)1/3
b)1/9

Explanation:

Answer 2

a 1/3

b 1/9

Explanation:

a. express with a positive exponent using a^-n = 1/a^n

1/9^1/2

write in exponential form

1/ (3^2)^1/2

cancel out the 2 and 1/2

1/3