Simplify √30 × √40
...Simplify √30 × √40
10 √3
5 √3
20 √3
15 √3
Correct answer is C
√30 × √40
√(30 × 40)
√(3 × 10 × 4 × 10)
√(400 × 3)
√400 × √3
20 × √3
20√3
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