## KerenNicole 2 years ago 2

1. wangkan07

??? Whats the question

2. KerenNicole

3. KerenNicole

@wangkan07

4. joshi

just try to simplify them and see which one it is. if it helps, the square root of 49 is 7

5. Coolsector

$a \sqrt{b} = \sqrt{a^2b}$ does this help ?