TRUEBOSS72
TRUEBOSS72
04-03-2018
Mathematics
contestada
help help help me
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tynollette
tynollette
04-03-2018
when the base is the same, and it is a ÷, subtract the exponents (if it is a ×, add the exponents):
-11/3-(-2/3)=-9/3=-3
4^(-3)=1/4³=1/64
the first choice is correct.
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Banabanana
Banabanana
04-03-2018
[tex]4^{- \frac{11}{3} }:4^{- \frac{2}{3} }=4^{- \frac{11}{3}-(- \frac{2}{3})}=4^{- \frac{11}{3}+ \frac{2}{3}}=4^{- \frac{9}{3}}=4^{-3} = \frac{1}{4^3}= \frac{1}{64} [/tex]
The answer is A
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