Question

Simplify each expression. Use positive exponents to write the answers.
1. (4a^-1b^0)^-3
2. (a^-6/a^-8)^-2
3. (2/3)^-3
4. (3^-2 a^-2 b^12)/(a^4 b^-5)

Answer 1

1. a^(3)/64

Answer 2

2.(a^-6/a^-8)^-2 = (1)/(a^(4))
3. (2/3)^-3 =27/8
4. (3^-2 a^-2 b^12)/(a^4 b^-5) = b^(17)/9a^(6)

Answer 3

How?