Advertisements
Advertisements
प्रश्न
पर्याय
- \[\frac{4}{25}\]
- \[\frac{- 4}{25}\]
- \[\left( \frac{- 2}{5} \right)^{12}\]
- \[\frac{25}{4}\]
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`
APPEARS IN
संबंधित प्रश्न
Simplify and express the result in power notation with positive exponent.
(−4)5 ÷ (−4)8
Find the value of (3−1 + 4−1 + 5−1)0
Find the value of the following:
(3−1 + 4−1 + 5−1)0
Find the value of the following:
Evaluate:
\[\left( \frac{- 1}{2} \right)^{- 1}\]
Simplify:
Find x, if
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 multiplicative inverse of the following.
10– 5
For a fixed base, if the exponent decreases by 1, the number becomes ______.
