Question: What is the result of multiplying 6.02 x 10^23 by 3.0, considering significant figures?
Options:
Correct Answer: 1.8 x 10^24
Solution:
In multiplication, the result should have the same number of significant figures as the factor with the least significant figures. 6.02 x 10^23 has 3 significant figures and 3.0 has 2, so the answer should be 1.8 x 10^24.