Question

Упростить выражение: (-10x"4"y"3")"2"×0.8xy"9" ковычки степени

Answer 1

$( - 10 {x}^{4} {y}^{3} ) \times 0.8 x {y}^{9} = (10 {x}^{4} {y}^{3} ) \times 0.8 x {y}^{9} = 100 {x}^{8} {y}^{6} \times 0.8x {y}^{9} = 80 {x}^{9} {y}^{15}$
(-10 {x}^{4} {y}^{3} ) \times 0.8 x {y}^{9}