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(28A) Rational exponents


Evaluate. Give your answers as fractions.

$243^{\frac{1}{5}}$

$1000^{-\frac{1}{3}}$

$100^{\frac{1}{2}}$

$36^{-\frac{1}{2}}$

$49^{-\frac{1}{2}}$

$81^{\frac{1}{4}}$

$32^{\frac{1}{5}}$

$216^{-\frac{1}{3}}$

$64^{\frac{1}{3}}$

$256^{\frac{1}{4}}$

$81^{-\frac{1}{4}}$

$25^{-\frac{1}{2}}$

$16^{\frac{1}{4}}$

$64^{-\frac{1}{6}}$

$343^{-\frac{1}{3}}$

$64^{\frac{1}{2}}$

$64^{-\frac{1}{2}}$

$256^{-\frac{1}{4}}$

$4^{-\frac{1}{2}}$

$81^{-\frac{1}{2}}$

$16^{-\frac{1}{2}}$

$216^{\frac{1}{3}}$

$32^{-\frac{1}{5}}$

$243^{-\frac{1}{5}}$

Evaluate. Give your answers as fractions.

$\left(\frac{343}{1000}\right)^{-\frac{2}{3}}=$
$\left(\frac{49}{4}\right)^{\frac{1}{2}}=$
$\left(\frac{729}{512}\right)^{\frac{1}{3}}=$

$\left(\frac{27}{512}\right)^{\frac{2}{3}}=$
$\left(\frac{512}{125}\right)^{-\frac{1}{3}}=$
$\left(\frac{1}{4}\right)^{-\frac{1}{2}}=$

$\left(\frac{343}{64}\right)^{\frac{2}{3}}=$
$\left(\frac{1}{16}\right)^{\frac{1}{2}}=$
$\left(\frac{125}{512}\right)^{-\frac{1}{3}}=$

$\left(\frac{64}{81}\right)^{-\frac{1}{2}}=$
$\left(\frac{125}{343}\right)^{\frac{1}{3}}=$
$\left(\frac{1}{81}\right)^{-\frac{1}{4}}=$

$\left(\frac{729}{512}\right)^{\frac{2}{3}}=$
$\left(\frac{1}{32}\right)^{\frac{1}{5}}=$
$\left(\frac{9}{100}\right)^{\frac{1}{2}}=$

$\left(\frac{729}{1000}\right)^{-\frac{2}{3}}=$
$\left(\frac{25}{9}\right)^{-\frac{1}{2}}=$
$\left(\frac{125}{512}\right)^{-\frac{2}{3}}=$

$\left(\frac{27}{64}\right)^{-\frac{2}{3}}=$
$\left(\frac{64}{9}\right)^{-\frac{1}{2}}=$
$\left(\frac{36}{49}\right)^{-\frac{1}{2}}=$

Exercises

(28A on P.567) #1-2 all; #3cdg, #4 all