Question
Express the following in the logarithmic form$:9^{-4}=\frac{1}{6561}$
✓
Answer
$9^{-4}=\frac{1}{6561}$
$\Rightarrow \log _9 \frac{1}{6561}$
$=-4$
$\Rightarrow \log _9 \frac{1}{6561}$
$=-4$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Simplify : $\left(a^{-1}+b^{-1}\right) \div(a b)^{-1}$
→State, giving reason, whether the given number is rational or irrational:
$\frac{\sqrt{6}}{4}$
→$\frac{\sqrt{6}}{4}$
In the given figure, ABCD is a rhombus in which $\angle A =72$. If $\angle CBD =x$, find the value of $x$.
→Evaluate : $(32)^{\frac{-4}{5}}$
→Draw the graph of : y = x
Draw the graph of : y = 3x + 2
ABCD is a parallelogram. The sides AB and AD are produced to E and F respectively such that $AB = BE$ and $AD = DF$. Prove that $\triangle BEC \equiv \triangle DCF$.
→Using the standard formulae, expand:
$\left(\frac{a}{2}+\frac{b}{3}+\frac{c}{4}\right)^2$
→$\left(\frac{a}{2}+\frac{b}{3}+\frac{c}{4}\right)^2$
Construct a quadrilateral ABCD in which $AB =4.5 cm, BC =5.2 cm, CD =5 cm$, $DA =4.7 cm$ and $\angle ABC =75$.
→In a collection of data, there are 5 numbers and the numbers in the data are 3, 4, 12 and 13. If the median is 12, then what can be the maximum value of mean of the data?