Match each of these statements with either true or false.
a. When adding two quantities, they both must have the same dimensions.
b. When multiplying two quantities, they both must have the same dimensions.
c. Both sides of an equal must have the same dimensions.
d. Pure numbers like 1/2 must have dimensions.
Ans:
a) true. when adding two quantities,they must have the same dimensions.
b) false. when multiplying two quantities,need not have same dimensions.
c) true. both sides of dimensions must equal.
d) false. pure number have not dimensions.
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