Question

Which expression is equivalent to squareroot 4j^4/9k^8

Answer 1

It's the third choice:

2/3 j^2/k^4

Explanation:

√ [4j^4/9k^8)]

= √(4j^4) / √9k^8

= 2j^2 / 3k^4

= 2/3 j^2/k^4