Question

Calculati :
a)2 supra 5 * 10 supra 14=
b) - 1 supra 4 * 8 supra 9 ;
c) - 12 supra 5 * ( -25 supra 36);
d) 4*(-1 supra 8) ;

Answer 1

$a) \frac{2}{5}*\frac{10}{14}= \frac{2}{7}. \\ \\ b)-\frac{1}{4}*\frac{8}{9}=-\frac{2}{9}. \\ \\ c) -\frac{12}{5}*(-\frac{25}{36})=\frac{5}{3}. \\ \\ d)4*(-\frac{1}{8})=-\frac{1}{2}.$

/robertinni