Hannah wants to find the volume of a rectangular wooden block. She correctly measures the length of the block to be 7 cm and the width of the block to be 1 cm, but while measuring the height of the block, she makes a mistake and incorrectly measures it to be 3 cm. The actual height of the block is 4 cm.

If Hannah uses the following equation to calculate the volume of the block
7 cm X 1 cm X 3 cm = 21 cm2

Hannah's calculated volume

Question

Hannah wants to find the volume of a rectangular wooden block. She correctly measures the length of the block to be 7 cm and the width of the block to be 1 cm, but while measuring the height of the block, she makes a mistake and incorrectly measures it to be 3 cm. The actual height of the block is 4 cm.

If Hannah uses the following equation to calculate the volume of the block
7 cm X 1 cm X 3 cm = 21 cm2

Hannah's calculated volume

anonymous · Answer

A. will be lower than the actual volume of the block.

B. will have different units than the actual volume of the block.

C. will be exactly the same as the actual volume of the block.

D. will be higher than the actual volume of the block.