## Basic College Mathematics (10th Edition)

$(0.5)^{2}(-8)-(0.31)=-2.31$
$(0.5)^{2}(-8)-(0.31)$ First, evaluate the power: $(0.5)^{2}(-8)-(0.31)=(0.25)(-8)-(0.31)=...$ Evaluate the product: $...=-2-(0.31)=...$ Evaluate the remaining operation: $...=-2.31$