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प्रश्न
Simplify and express the result in power notation with positive exponent.
(−4)5 ÷ (−4)8
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उत्तर
We have, (−4)5 ÷ (−4)8
= (−4)5-8
= (−4)−3
= `1/(-4)^3` ....`[∵ a^m ÷ a^n = a^(m-n), a^-m = 1/a^m]`
संबंधित प्रश्न
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
Simplify:
Write the following in exponential form:
\[\left( \frac{2}{5} \right)^{- 2} \times \left( \frac{2}{5} \right)^{- 2} \times \left( \frac{2}{5} \right)^{- 2}\]
Simplify:
\[\left\{ 4^{- 1} \times 3^{- 1} \right\}^2\]
Express the following rational numbers with a negative exponent:
For a non zero rational number a, (a3)−2 is equal to
Find the value of `(1/2)^(-2)+(1/3)^(-2)+(1/4)^(-2)`
The cells of a bacteria double itself every hour. How many cells will there be after 8 hours, if initially we start with 1 cell. Express the answer in powers.
Simplify and express the result in power notation with positive exponent.
`(−3)^4 × (5/3)^4`
