What is the value of \(\left(32^{\frac{2}{5}}\right)\cdot\left(4^{-\frac{3}{2}}\right)\)?
Answer and explanation
Correct answer: \(\frac{1}{2}\)
Here \(32^{\frac{2}{5}}=(2^{5})^{\frac{2}{5}}=2^{2}=4\), and \(4^{-\frac{3}{2}}=(2^{2})^{-\frac{3}{2}}=2^{-3}=\frac{1}{8}\). The product is \(\frac{1}{2}\).
Frequently asked questions
What is the correct answer to this question?
\(\frac{1}{2}\)
Why is this the correct answer?
Here \(32^{\frac{2}{5}}=(2^{5})^{\frac{2}{5}}=2^{2}=4\), and \(4^{-\frac{3}{2}}=(2^{2})^{-\frac{3}{2}}=2^{-3}=\frac{1}{8}\). The product is \(\frac{1}{2}\).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Operations on real numbers and the laws of exponents.
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