Simplify the following. Show work on paper

Question

(3ab2)−2

5d−3×d10

2/6√

3x−12/x−4

243−−−√

Answer 1

Simplified expressions:

1. (3ab^2)^-2 = 1/ (3^2 * a^2 * b^4) = 1/ (9a^2b^4)

2. 5d^-3 * d^10 = 5 * d^7

3. 2/6√ = 1/3√2

4. (3x-12) / (x-4) = 3 (x-4) / (x-4) = 3