Advertisements
Advertisements
प्रश्न
Evaluate.
3−2
मूल्यांकन
Advertisements
उत्तर
`3^(-2) = 1/3^2`
= `1/ (3xx3)`
= `1/9` ....`[∵ a^-m = 1/a^m]`
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`
Find the value of m for which 5m ÷5−3 = 55.
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0. (−4)−2
Simplify:
\[\left( 2^{- 1} + 3^{- 1} \right)^{- 1}\]
Express the following as a rational number in the form \[\frac{p}{q}:\]
\[\left( \frac{1}{4} \right)^{- 1}\]
Express the following rational numbers with a positive exponent:
\[\left( \frac{5}{4} \right)^{- 3}\]
Simplify:
\[\left[ \left\{ \left( \frac{- 1}{4} \right)^2 \right\}^{- 2} \right]^{- 1}\]
Find x, if
\[\left( \frac{2}{5} \right)^{- 3} \times \left( \frac{2}{5} \right)^{15} = \left( \frac{2}{5} \right)^{2 + 3x}\]
Square of \[\left( \frac{- 2}{3} \right)\] is
\[\left( \frac{2}{3} \right)^{- 5}\] is equal to
