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0 votes
81^x=1/27
asked Jun 7, 2014 in ALGEBRA 1 by anonymous

1 Answer

0 votes

The exponential equation is image

27 can be expressed as power of 3.

image

81 can be expressed as power of 3.

image

image

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Power of a power  property image 

And negative exponent property  image

image

Since the bases are the same ,set the exponents equal one another

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Solution image.

answered Jun 7, 2014 by david Expert
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