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Mathematics 8 Online
OpenStudy (anonymous):

ok i need help

OpenStudy (anonymous):

\[k^-2/k^6\]

OpenStudy (anonymous):

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OpenStudy (anonymous):

sorry

OpenStudy (anonymous):

\[\frac{k^{-2}}{k^{6}}=\frac{1}{k^2\times k^6}=\frac{1}{k^{8}}\]

OpenStudy (anonymous):

or if you prefer \[k^{-8}\]

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

the negative exponent means take the reciprocal

OpenStudy (anonymous):

how was the exponent made negative again

OpenStudy (anonymous):

so \[k^{-2}=\frac{1}{k^2}\]

OpenStudy (anonymous):

\[b^{-n}=\frac{1}{b^n}\]

OpenStudy (anonymous):

so you can write \[\frac{1}{k^8}=k^{-8}\] if you like

OpenStudy (anonymous):

oh okay

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