Simplify $\left[{\left(\frac{1}{3}\right)}^{-2}-{\left(\frac{1}{2}\right)}^{-3}\right]÷{\left(\frac{1}{4}\right)}^{-2}$

Important Questions on Exponents and Radicals

MEDIUM

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 1

If $3^{4x}=\frac{1}{81},$ then the value of $x$ is

EASY

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 2

The value of ${\left(x^{-2}+x^{-3}+x^{-4}+x^{-5}\right)}^0=$

MEDIUM

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 3

The value of $(27{)}^{\frac{6}{5}}÷(27{)}^{\frac{1}{5}}$ is
 

EASY

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 4

The value of ${\left[{\left(\frac{36}{25}\right)}^{3/2}\right]}^{5/3}$ is

EASY

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 5

The value of ${\left(343\right)}^{-2/3}$ is

EASY

8th CBSE

IMPORTANT

Mathematics>Chapter 3 - Exponents and Radicals>Multiple Choice Questions:>Q 6

The value of ${\left(125\right)}^{2/3}$ is