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प्रश्न
Evaluate.
`(1/2)^(-5)`
मूल्यांकन
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उत्तर
`(1/2)^(-5) = (2/1)^5` ...`[∵ (1/b)^-m = (b/a)^m]`
= `(2 xx2 xx 2xx2xx 2)/(1 xx 1xx 1xx 1xx1)`
= `32/1`
= 32
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पाठ 10: Exponents and Powers - EXERCISE 10.1 [पृष्ठ १२५]
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संबंधित प्रश्न
Evaluate.
`(5/8)^(-7) xx (8/5)^(-4)`
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
\[\left( \frac{1}{2} \right)^{- 5}\]
Find the value of the following:
(3−1 + 4−1 + 5−1)0
Evaluate:
\[\left( \frac{- 1}{2} \right)^{- 1}\]
Simplify:
\[\left\{ 4^{- 1} \times 3^{- 1} \right\}^2\]
Simplify:
\[\left( 4^{- 1} - 5^{- 1} \right) \div 3^{- 1}\]
Express the following rational numbers with a negative exponent:
\[\left\{ \left( \frac{3}{2} \right)^4 \right\}^{- 3}\]
\[\left( \frac{- 3}{2} \right)^{- 1}\] is equal to
Evaluate.
`(8^(-1)xx5^(3))/2^(-4)`
Simplify and express the result in power notation with positive exponent.
`(−3)^4 × (5/3)^4`
