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Mathematics 19 Online
OpenStudy (anonymous):

Simplify 15^-4 over 15^5.

OpenStudy (anonymous):

When a negative power is given in any fraction, the 1st thing you can always do is stick it on the other side of the fraction and flip the sign of the power. Do you understand this?

OpenStudy (anonymous):

|dw:1374760958179:dw|

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