jamesz08jamesz08 jamesz08jamesz08

07-06-2022
Mathematics

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Evaluate. Write your answer as a whole number or as a simplified fraction.
12-².4³ =
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loneguy loneguy

07-06-2022

[tex]12^{-2} \times 4^3\\\\=(4 \times 3)^{-2} \times 4^3\\\\=4^{-2} \times 4^3 \times 3^{-2}\\\\=4^{-2+3} \times 3^{-2}\\\\=4^1 \times \dfrac1{3^2}\\\\=\dfrac 49[/tex]

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