Multiple choice

Simplify √80

  1. 2√20

  2. 8√10

  3. 4√5

  4. 5√4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The number 80 can be factored into 16 * 5. Thus, sqrt(80) = sqrt(16) * sqrt(5) = 4 * sqrt(5).

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