Advertisements
Advertisements
प्रश्न
Evaluate.
`(1/2)^(-5)`
मूल्यांकन
Advertisements
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
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Exponents and Powers - EXERCISE 10.1 [पृष्ठ १२५]
APPEARS IN
संबंधित प्रश्न
Find the value of `{((-2)/3)^(-2)}^2`
Evaluate.
`(5/8)^(-7) xx (8/5)^(-4)`
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1?
Write the following in exponential form:
\[\left( \frac{2}{5} \right)^{- 2} \times \left( \frac{2}{5} \right)^{- 2} \times \left( \frac{2}{5} \right)^{- 2}\]
Evaluate:
\[\left( \frac{- 1}{2} \right)^{- 1}\]
Express the following as a rational number in the form \[\frac{p}{q}:\]
\[\left( \frac{1}{4} \right)^{- 1}\]
Cube of \[\frac{- 1}{2}\] is
\[\left( \frac{- 1}{5} \right)^3 \div \left( \frac{- 1}{5} \right)^8\] is equal to
Find the value of (30 + 4−1) × 22.
Evaluate.
(5−1 × 2−1))× 6−1
