3 years ago

What is the principal square root of 64? A. -8 B. 8 C. 4 D. -4

Mathematics

1 answer:

Sphinxa [80]3 years ago

7 0

Answer:

B. 8

Step-by-step explanation:

The principal square root is another word for the positive square root. The square root of a number is the number that equals a given number when multiplied by itself.

In this case, 8*8 = 64. -8*-8 also equals 64, but we are looking for the principal square root here, so the only answer is 8.

Hope this helps!

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