Question

(-0,5)^-4 - 625^0,25 - (2 1\4)^-1 1\2

Answer 1

$-1/2 ^{-4} - 625^{1/4} - 9/4^{-3/2} = -2^{4} - \sqrt[4]{625} - \sqrt{( \frac {4}{9})^3 }$
$16-5- \sqrt\frac{256}{729} = 11- \frac{16}{27}= 10 \frac{11}{27}$