MathDB
Negative Exponent

Source:

January 11, 2009

Problem Statement

The expression (81)^{ \minus{} 2^{ \minus{} 2}} has the same value as: <spanclass=′latex−bold′>(A)</span> 181<spanclass=′latex−bold′>(B)</span> 13<spanclass=′latex−bold′>(C)</span> 3<spanclass=′latex−bold′>(D)</span> 81<spanclass=′latex−bold′>(E)</span> 814 <span class='latex-bold'>(A)</span>\ \frac {1}{81} \qquad <span class='latex-bold'>(B)</span>\ \frac {1}{3} \qquad <span class='latex-bold'>(C)</span>\ 3 \qquad <span class='latex-bold'>(D)</span>\ 81 \qquad <span class='latex-bold'>(E)</span>\ 81^4
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