SOLUTION: How do I plug a LOG problem that is not base 10? The question is Log7(1/49). I am using a TI30XA

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Question 532404: How do I plug a LOG problem that is not base 10? The question is Log7(1/49). I am using a TI30XA
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do I plug a LOG problem that is not base 10? The question is Log7(1/49).
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One way is to use the base change formula, it always works.
log%287%2C1%2F49%29+=+log%281%2F49%29%2Flog%287%29
= -2
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Another is to recognize that 1%2F49+=+7%5E-2
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Not sure what you mean my "plug."