Question: What is the product of 3.00 and 2.5, considering significant figures?

Options:

1. 7.5
2. 7.50
3. 7.500
4. 7.55

Correct Answer: 7.5

Solution:

In multiplication, the result should have the same number of significant figures as the factor with the least significant figures. 3.00 has 3 significant figures and 2.5 has 2 significant figures, so the result should have 2 significant figures: 7.5.