Simplify square root of (-4)^2

Problem

√(,(−4)2)

Solution

1. Evaluate the expression inside the parentheses by squaring the negative number.

(−4)2=16

2. Substitute the result back into the square root.

√(,16)

3. Calculate the principal square root of the positive number.

√(,16)=4

Final Answer

√(,(−4)2)=4

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