Question

Simplify square root of 3 times square root of 21 . (1 point)

Group of answer choices
- square root of 24
- square root of 63
- 3 square root of 7
- None of the above

Answer 1

3

Explanation:

Answer 2

3 square root of 7

Explanation:

square root of 21 can also be written as square root of 3 * square root of 7

the square root of 3 that's outside multiplies with the new square root of 3 giving square root of 9 which is 3, so 3 square root of 7