DeWayne is ordering concrete for a new driveway. The driveway is 210 decimeters long, 30 decimeters wide, and 1.5 decimeters deep. How many cubic decimeters of concrete does DeWayne need to order to have the exact amount to fill the space?
Volume of a rectangular solid = length*width*height
Volume of driveway = 210*30*1.5 = 9450
+26400 DeWayne is ordering concrete for a new driveway. The driveway is 210 decimeters long, 30 decimeters wide, and 1.5 decimeters deep. How many cubic decimeters of concrete does DeWayne need to order to have the exact amount to fill the space?
\(\begin{array}{rcll} 210\ \text{dm} \cdot 30\ \text{dm} \cdot 1.5\ \text{dm} &=& 210 \cdot 30 \cdot 1.5\ \text{dm}^3\\ &=& 9450\ \text{dm}^3 \end{array}\)
