Question

How do you round 4.0007 to 3 sig figs?
a) 4.00
b) 4.0
c) 4.001
d) 4.01

Answer 1

To round 4.0007 to 3 significant figures, round up the last digit to get 4.001.

Step-by-step explanation:

To round 4.0007 to 3 significant figures, we need to look at the digit in the fourth significant figure, which is 7. Since it is greater than 5, we round up the last digit in the rounded number. In this case, the last digit is 0, so we round it up to 1, resulting in a rounded number of 4.001. Therefore, the correct answer is d) 4.01.