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Earn +20 ptsQ: What is the principal square root of 400?
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The answer the square root of 400 minus the square root of 196?
The square root of 400 is 20, as 20 multiplied by 20 equals 400. The square root of 196 is 14, as 14 multiplied by 14 equals 196. Therefore, the expression simplifies to 20 - 14, which equals 6.
Is 2 a rational square root?
Yes, it is the principal square root of 4, and it is rational.
What is the principal square root of 81?
9
What is the principal square root of 16?
4
What is the square root of 71?
it is 400
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