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OpenStudy (anonymous):
Area of circle P is 4pi*r^4 and area of circle Q is 16pi*r^6 . Which is the ratio of a radius of Q to a radius of P?
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OpenStudy (anonymous):
a ratio is basically a fractions so: (16pi*r^6)/(4pi*r^4)
OpenStudy (anonymous):
now just simplify , remeber to use rule of exponets
OpenStudy (anonymous):
okay thank you(:
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