Asked by Grace

Simplify square root of 3 times square root of 21.
A.Square root of 24
B.Square root of 63
C.3 Square root of 7
D.None of the above

9 years ago

Answered by Steve

√3*√21 = √3*√3*√7 = 3√7

9 years ago

Answered by Grace

Thank You I Got an 80

9 years ago

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