Задание 10. Найдите значение выражения

Решение: 1) $$-0.2 \cdot (-7)^4 - 1 \cdot (-7)^3 - 13 = -0.2 \cdot 2401 - 1 \cdot (-343) - 13 = -480.2 + 343 - 13 = -150.2$$ 2) $$-0.9 \cdot (-2)^3 + 2.9 \cdot (-2)^2 - 22 = -0.9 \cdot (-8) + 2.9 \cdot 4 - 22 = 7.2 + 11.6 - 22 = 18.8 - 22 = -3.2$$ 3) $$0.1 \cdot (-8)^3 + 0.2 \cdot (-8)^2 - 25 = 0.1 \cdot (-512) + 0.2 \cdot 64 - 25 = -51.2 + 12.8 - 25 = -63.4$$ 4) $$0.5 \cdot (-6)^4 + 2 \cdot (-6)^2 - 30 = 0.5 \cdot 1296 + 2 \cdot 36 - 30 = 648 + 72 - 30 = 690$$ 5) $$-1.1 \cdot (-3)^4 - 0.9 \cdot (-3)^3 - 15 = -1.1 \cdot 81 - 0.9 \cdot (-27) - 15 = -89.1 + 24.3 - 15 = -79.8$$ 6) $$0.2 \cdot (-4)^3 + 3 \cdot (-4)^2 - 17 = 0.2 \cdot (-64) + 3 \cdot 16 - 17 = -12.8 + 48 - 17 = 18.2$$ Ответы: 1) **-150.2** 2) **-3.2** 3) **-63.4** 4) **690** 5) **-79.8** 6) **18.2**