Question

Please help me! I have a math test tomorrow and I don't seem to understand this question. Help karo. Thank you
Question below

Answer 1

Ans1. (1/9)^4

Ans2. (9/4)^2

Hope this helps......................

Answer 2

Step-by-step explanation:

a)  (1/9)⁷ x 9⁵÷9² = 9⁻⁷ x 9⁵ x 9⁻²= 9⁻⁷⁺⁵⁻²= 9⁻⁴=1/9⁴

b) (4/9)⁻² x (9/4)⁻⁷ ÷ (4/9)⁷ = (4/9)⁻² x (4/9)⁷ x (4/9)⁻⁷ = (4/9)⁻²⁺⁷⁻⁷= (4/9)⁻²= (9/4)²