Multiple choice

√250 - √160

  1. 2√10

  2. 5√4

  3. √10

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

sqrt(250) = 5*sqrt(10) and sqrt(160) = 4*sqrt(10). Subtracting them gives 5*sqrt(10) - 4*sqrt(10) = sqrt(10).

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