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प्रश्न
Simplify and express the result in power notation with positive exponent.
2−3 × (−7)−3
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उत्तर
2−3 × (−7)−3
= `1/2^3 xx 1/(-7)^3`
= `1/[2xx(-7)]^3` ...[∵ am . bm = (ab)m]
= `1/(-14)^3`
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संबंधित प्रश्न
Simplify:
Evaluate:
(−3)−2
Evaluate:
\[\left( \frac{- 1}{2} \right)^{- 1}\]
Express the following as a rational number in the form \[\frac{p}{q}:\]
Express the following rational numbers with a positive exponent:
Simplify:
Which of the following is not equal to \[\left( \frac{- 3}{5} \right)^4 ?\]
Which of the following numbers is not equal to \[\frac{- 8}{27}?\]
(a) \[\left( \frac{2}{3} \right)^{- 3}\]
(b) \[- \left( \frac{2}{3} \right)^3\]
(c) \[\left( - \frac{2}{3} \right)^3\]
(d) \[\left( \frac{- 2}{3} \right) \times \left( \frac{- 2}{3} \right) \times \left( \frac{- 2}{3} \right)\]
Find the value of `(1/2)^(-2)+(1/3)^(-2)+(1/4)^(-2)`
