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Mathematics 8 Online
OpenStudy (anonymous):

4^-2

OpenStudy (anonymous):

:) Let me think...

OpenStudy (anonymous):

Is the -2 in parenthesis?

OpenStudy (anonymous):

nope its an exponent.

OpenStudy (accessdenied):

\[ \large{4^{-2}} \] Like that, GodBlessYou Do you know how to do these? :)

OpenStudy (anonymous):

http://www.mathsisfun.com/algebra/negative-exponents.html This might help. :)

OpenStudy (anonymous):

AccessDenied Um I'm still trying to figure it out. :D

OpenStudy (anonymous):

I know the negative means to divide

OpenStudy (accessdenied):

Well, to be a bit more precise, it means "take the number to the negative power and move it to the denominator" \[ \large a^{-n} = \frac{1}{a^n} \]

OpenStudy (anonymous):

so it would be 4^-2 = 1/ 4^-2?

OpenStudy (anonymous):

|dw:1332449223855:dw|

OpenStudy (accessdenied):

well, when it goes to the denominator, it loses the negative so, just \[ \frac{1}{4^2} \]

OpenStudy (anonymous):

thanks! i get it now

OpenStudy (anonymous):

and would that make 1/16?

OpenStudy (accessdenied):

yes, that is correct. :)

OpenStudy (anonymous):

:)

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