Advertisements
Advertisements
प्रश्न
\[\left( \frac{- 2}{5} \right)^7 \div \left( \frac{- 2}{5} \right)^5\] is equal to
विकल्प
- \[\frac{4}{25}\]
- \[\frac{- 4}{25}\]
- \[\left( \frac{- 2}{5} \right)^{12}\]
- \[\frac{25}{4}\]
MCQ
योग
Advertisements
उत्तर
`4/25`
We have:
\[\left( \frac{- 2}{5} \right)^7 \div \left( \frac{- 2}{5} \right)^5\] `=((-2)/5)^(7-5)`
`=((-2)/5)^2`
`=(-2)^2/5^2`
`=4/25`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Simplify and express the result in power notation with positive exponent.
`(1/2^3)^2`
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0. (−4)−2
Find the value of the following:
(5−1 × 2−1) ÷ 6−1
Simplify:
\[\left( 5^{- 1} \div 6^{- 1} \right)^3\]
Evaluate:
(−3)−2
Simplify:
\[\left\{ \left( \frac{1}{3} \right)^{- 3} - \left( \frac{1}{2} \right)^{- 3} \right\} \div \left( \frac{1}{4} \right)^{- 3}\]
Simplify:
\[\left\{ \left( \frac{2}{3} \right)^2 \right\}^3 \times \left( \frac{1}{3} \right)^{- 4} \times 3^{- 1} \times 6^{- 1}\]
By what number should (−15)−1 be divided so that the quotient may be equal to (−5)−1?
\[\left( \frac{- 1}{2} \right)^5 \times \left( \frac{- 1}{2} \right)^3\] is equal to
The multiplicative inverse of 1010 is ______.
