Ajar of mayonnaise is shaped like a cylinder. the radius of the jar is 1.5 in. and its height is 7 in. the mayonnaise sells for $0.08 per in³. what is the cost of the jar of mayonnaise? use 3.14 to approximate pi. round your answer to the nearest penny.

Determine the volume
The mayonnaise is sold per unit of volume (in³). Therefore we need to find the volume of the jar to determine the cost. The volume of the jar is equal to the volume of a cylinder.
v = π × r² × h

Input the numbers
v = 3.14 × (1.5)² × 7
v = 3.14 × 2.25 × 7
v = 49.445
The volume of the jar is 49.445 in³

Determine the cost
cost = volume in in³ × the cost per in³
cost = 49.445 × 0.08
cost = 3.9564
to the nearest hundredth
cost = 3.96

The cost of the jar of mayonnaise is $3.96

The answer is $3.96 because 3.15x1.5=4.71x7.065x7=49.455x0.08=3.9564 rounded up equals $3.96