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Mathematics 7 Online
OpenStudy (narissa):

4^3times4^-5

Nnesha (nnesha):

when we multiply same bases we should `ADD` their exponents \[\huge\rm x^m \times x^n=x^{m+n}\]

OpenStudy (narissa):

16^8

Nnesha (nnesha):

no , base would stay the same and no it's not 8 remember one of the exponent is negative 3+(-5)

OpenStudy (narissa):

4^-2

OpenStudy (anonymous):

Go to www.mathway.com that site will help you with evry thing

Nnesha (nnesha):

yes right now flip the fraction to make the positive exponent \[\huge\rm x^{-m} =\frac{ 1 }{ x^m }\]

OpenStudy (narissa):

im confused

OpenStudy (narissa):

I/4^2

Nnesha (nnesha):

alright here is an example \[\huge\rm \frac{ x^{-m} }{ 1 }=\frac{ 1 }{ x^m}\] flip the fraction and change the sign of the exponent

Nnesha (nnesha):

yes that's right

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