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Mathematics 9 Online
OpenStudy (anonymous):

simplify (5x)^-2

OpenStudy (zzr0ck3r):

what is (5x)^2?

OpenStudy (zzr0ck3r):

put that under 1

OpenStudy (anonymous):

1 over 25x^2

zepdrix (zepdrix):

gj :)

OpenStudy (anonymous):

\[(5x)^{-2}\] Well, we distribute exponents over multiplication so: \[5^{-2} \cdot x^{-2}\] And remember that negative exponents means we take the reciprocal so we get: \[\frac{1}{5^2\cdot x^2}\] Finally, we can simplify \(5^2 = 25\): \[\frac{1}{25\cdot x^2}\]

OpenStudy (anonymous):

thanks

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