Evaluate each of the following without the use of a calculator. $\sqrt[4]{256}$ $\sqrt[5]{1024}$

Question

Evaluate each of the following without the use of a calculator. $\sqrt[4]{256}$ $\sqrt[5]{1024}$ $\sqrt[3]{\frac{8}{27}}$ ${{49}^{\frac{1}{2}}}$ ${{\left( 1\frac{7}{9} \right)}^{-\frac{1}{2}}}$ ${{\left( -64 \right)}^{-\frac{1}{3}}}$

Accepted Answer

(i) $4$. (ii) $4$. (iii) $\frac{2}{3}$. (iv) $7$. (v) $\frac{3}{4}$. (vi) $-\frac{1}{4}$.

Roots and Rational Exponents Without a Calculator

Roots and Rational Exponents Without a Calculator

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