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Mathematics 6 Online
OpenStudy (anonymous):

Evaluate the following expression.

OpenStudy (anonymous):

\[5^-1/5^0\]

OpenStudy (anonymous):

the -1 is a power

ganeshie8 (ganeshie8):

\(\large \frac{5^{-1}}{5^0}\)

OpenStudy (anonymous):

yea that

ganeshie8 (ganeshie8):

first look at bottom,

ganeshie8 (ganeshie8):

u have something power 0, so that makes bottom equal to what ?

OpenStudy (anonymous):

1

ganeshie8 (ganeshie8):

Yes !! \(\large \frac{5^{-1}}{5^0}\) \(\large \frac{5^{-1}}{1}\) \(\large 5^{-1}\)

ganeshie8 (ganeshie8):

next use below property : \(\large a^n = \frac{1}{a^n}\)

ganeshie8 (ganeshie8):

so, \(\large 5^{-1} = \frac{1}{5^1} = \frac{1}{5}\)

ganeshie8 (ganeshie8):

see if that looks okay :)

OpenStudy (anonymous):

so the answer is 1/5

ganeshie8 (ganeshie8):

yup !

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