slarissa
slarissa
27-04-2014
Mathematics
contestada
Simplify 81^1/2
Please simplify and show steps
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Dannymal
Dannymal
27-04-2014
81^1/2
1. 81^1 = 81 / 2 = 40 and 1/2
or 2. 81^ 1/2 = sqrt of 81
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Аноним
Аноним
27-04-2014
[tex]a^\frac{n}{m}=\sqrt[m]{a^n}\\\\\\81^\frac{1}{2}=\sqrt{81}=9\\\\\\81^\frac{1}{2}=(9^2)^\frac{1}{2}=9^{2\cdot\frac{1}{2}}=9[/tex]
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