Help on this ALGEBRA QUESTIONS !!! Simplify the expression, if possible. 512 ^1/2 A. 32 B. 16√ 2 C. 64 D. It's not a real number.

asked Jun 25, 2020 42.3k views

5 votes

Help on this ALGEBRA QUESTIONS !!!

Simplify the expression, if possible. 512 ^1/2

A. 32
B. 16√ 2
C. 64
D. It's not a real number.

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1 vote

Note that
$x^{(1)/(2)}=\sqrt[2]{x}$

Which means that:

$512^{(1)/(2)}=\sqrt[2]{512}=\sqrt[2]{16^2\cdot2}=\boxed{16\sqrt[2]{2}}$

the answer is B.

Hope this helps.

r3t40

Alice Girard answered Jul 1, 2020

6.3k points

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