Multiple choice

4√15 x 2√18

  1. 8√270

  2. 6√270

  3. 72√30

  4. 24√30
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Multiply the coefficients (4 * 2 = 8) and the radicands (sqrt(15) * sqrt(18) = sqrt(270)). Simplify sqrt(270) = sqrt(9 * 30) = 3 * sqrt(30). Thus, 8 * 3 * sqrt(30) = 24 * sqrt(30).

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