Simplify √30 × √40
-
A.
10 √3 -
B.
5 √3 -
C.
20 √3 -
D.
15 √3
Correct Answer: Option C
Explanation
√30 × √40
√(30 × 40)
√(3 × 10 × 4 × 10)
√(400 × 3)
√400 × √3
20 × √3
20√3
There is an explanation video available below.
√30 × √40
√(30 × 40)
√(3 × 10 × 4 × 10)
√(400 × 3)
√400 × √3
20 × √3
20√3
There is an explanation video available below.