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Popular >

simplify (-4r)^2

Solution

simplify

(- 4 r)^{2}

Solution

16 r^{2}

Solution steps

(- 4 r)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

(- 4 r)^{2} = (4 r)^{2}

= (4 r)^{2}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

(4 r)^{2} = 4^{2} r^{2}

= 4^{2} r^{2}

4^{2} = 16

= 16 r^{2}

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Frequently Asked Questions (FAQ)

What is (-4r)^2 ?
The solution to (-4r)^2 is 16r^2