Advertisements
Advertisements
Question
For a non zero rational number a, (a3)−2 is equal to
Options
a9
a−6
a−9
a1
MCQ
Sum
Solution
a−6
We have:
`(a^3)^(-2)=a^3xx(-2)` → ((am)n = am x n)
`=a^(-6)`
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find the value of m for which 5m ÷5−3 = 55.
Evaluate.
`(5/8)^(-7) xx (8/5)^(-4)`
Simplify.
`(3^(-5) xx 10^(-5) xx 125)/(5^(-7) xx 6^(-5))`
Find the value of the following:
(5−1 × 2−1) ÷ 6−1
By what number should \[\left( \frac{1}{2} \right)^{- 1}\] be multiplied so that the product may be equal to \[\left( - \frac{4}{7} \right)^{- 1} ?\]
Express the following rational numbers with a negative exponent:
\[\left( \frac{3}{5} \right)^4\]
Express the following rational numbers with a negative exponent:
\[\left\{ \left( \frac{7}{3} \right)^4 \right\}^{- 3}\]
Find x, if
\[\left( \frac{2}{5} \right)^{- 3} \times \left( \frac{2}{5} \right)^{15} = \left( \frac{2}{5} \right)^{2 + 3x}\]
Evaluate.
`(8^(-1)xx5^(3))/2^(-4)`
The multiplicative inverse of `(- 5/9)^99` is ______.