Question

A) 7*(-1)3 – 4*(-1)2 – 8;
e) -10*(-0,3)2 - 5*(-0,3) + 1.​

Answer 1

А)

$7 \times ( - 1) \times 2 - 4 \times ( - 1) \times 2 - 8 = \\ = - 14 + 8 - 8 = - 14$

Е)

$- 10 \times ( - 0.3) \times 2 - 5 \times ( - 0.3) + 1 = \\ = 6 + 1.5 + 1 = 8.5$