Question

question 3
dimensional analysis is based on this premise: the units of quantities must be subjected to the same mathematical operations as their associated numbers.
true
false
1 pts
question 4
a unit conversion factor is a ratio of two equivalent quantities expressed with
different degrees of significance
the same units
different units
the same degrees of significance

Explanation:

• For Question 3: Dimensional analysis indeed requires that units of quantities undergo the same mathematical operations as their associated numbers.
• For Question 4: A unit - conversion factor is a ratio of two equivalent quantities with different units, which allows for converting from one unit to another.

Answer:

Question 3: True
Question 4: different units