The dimensions of two quantities MUST be identical if you are either __________ or __________ the quantities.
A)adding; multiplying
B)subtracting; dividing
C)multiplying; dividing
D)adding; subtracting
E)All of these are correct.

Question

Quizplus · Accepted Answer

When adding or subtracting quantities, their dimensions must be identical to ensure the operations are meaningful. Multiplying or dividing quantities with different dimensions can result in a new quantity with a different dimension, making options A, B, and C incorrect for the requirement of identical dimensions.

The Dimensions of Two Quantities MUST Be Identical If You