Question

Вычисли. -6.8*(-3/20)=

Answer 1

-6,8*( - 0,15) = 1, 02.

Answer 2

$-6,8*(- \frac{3}{20} )=(-6 \frac{8}{10}) *(- \frac{3}{20} )= (-\frac{68}{10}) *(- \frac{3}{20} )= \\ \\ \\= (-\frac{68:2}{10}) *(- \frac{3}{20:2} )=(-\frac{34}{10}) *(- \frac{3}{10} )= \frac{34*3}{10*10} = \frac{102}{100} =1,02$