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OpenStudy (anonymous):
help
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OpenStudy (anonymous):
\[\frac{ 3^{-9} }{ 3^{-12}}\] simplify it plz
Nnesha (nnesha):
when you divide same bases would you `add or subtract` their exponents ?
OpenStudy (anonymous):
subtract
OpenStudy (anonymous):
so3^3
OpenStudy (anonymous):
am i right
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Nnesha (nnesha):
yes right
OpenStudy (anonymous):
negative plus a ngative =positive
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