Question

Answer please.(both questions)​

Answer 1

Answer:

b) 1/ 256 27) 3

Step-by-step explanation:

b) (2^(5-8))^8 × 2^-5

2^-3 × 2^ -5 = 2^-8 = 1/2^8 = 1/256.

27) 3^2x-1 ÷ 3^2 = 3^3

3^2x-3 = 3^3

By removing 3 from both sides,

2x-3 = 3

2x= 6

x = 3 .