SAT Math Question of the Day

Math Category: Roots Level 2:

Q: √ 3  * 5 √ 4

  1. 10 √ 3
  2. 10 √ 6
  3. 3 √ 10
  4. 6 √ 10
  5. 4 √ 15

UNANSWERED.

The correct answer is A.

A: The answer is 10 √ 3 .
First simplify, √ 4  = 2.
√ 3  * 5 * 2 = 10 √ 3