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Mathematics 11 Online
OpenStudy (anonymous):

Solve for x:

OpenStudy (anonymous):

\[30\times 5^{1-x}=0.15\]

OpenStudy (anonymous):

you would have to use the change of base formula at some point :P

OpenStudy (anonymous):

5^(1-x)=.15/30 |dw:1376244810126:dw|

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