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animalheartrach

Use Mathpapa or symbolab, they are both very useful resources, and have saved me many times

reignoffire

so what you to is apply the exponent rule: x^a/x^b = x^(a-b)

which gives you 4^-2/4^-4 = 4^(-2-(-4))

simplify that to 4^2
then simplify that and that's your answer :P

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