Kr4occo1zurmad
Kr4occo1zurmad Kr4occo1zurmad
  • 25-07-2016
  • Mathematics
contestada

What is the value of the expression? 43 • 4−5. A. 4−15 B. 4−2 C. 42 D. 48

Respuesta :

dalendrk
dalendrk dalendrk
  • 25-07-2016
[tex]4^3\cdot4^{-5}=4^{3+(-5)}=\boxed{4^{-2}}\to\fbox{B.}[/tex]
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meerkat18
meerkat18 meerkat18
  • 30-07-2016
There exist a similar question wherein the expression are this way,
                                4³ · 4^-5
To answer calculate first the value of 4 raised to the exponents. That is,
                               256 ·1/1024
Simplifying gives the answer which is equal to 4^-2. Thus, the answer is letter B. 
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