Question

Simplify. square root of 3 times square root of 21

square root of 24
square root of 63
3 square root of 7
None of the above

Answer 1

@pooja195

Answer 2

so its sqrt3*sqrt21 (21 is 7*3 so...)
sqrt3*sqrt21 = sqrt3*sqrt3*sqrt7= 3*sqrt7

Answer 3

the answer is c @rimshaa

Answer 4

yes that is what i said. 3*sqrt7 = 3 square root of 7

Answer 5

ok thank you do you mind helping me w. another

Answer 6

sure

Answer 7

I will open up another