(-0.3)×(-5)×(-0.4)×(-0.8)×(-1)²

Let's simplify the expression step by step:

(-0.3) × (-5) = 1.5 1.5 × (-0.4) = -0.6 -0.6 × (-0.8) = 0.48 0.48 × (-1)² = 0.48

Therefore, (-0.3)×(-5)×(-0.4)×(-0.8)×(-1)² = 0.48.