4) 0,8m²пр, если т = -0,2, n = 3, p = 5.

4) $$0.8m^2np = 0.8 \cdot (-0.2)^2 \cdot 3 \cdot 5 = 0.8 \cdot 0.04 \cdot 3 \cdot 5 = 0.8 \cdot 0.04 \cdot 15 = 0.032 \cdot 15 = 0.48$$

Ответ: 0.48