What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal?
-
10-5
- 7 x 10-4
- 8 x 10-5
- 10-6
The correct answer is: A
Explanation
0.007685 = 0.00769 (three significant figures)0.007685 = 0.0077(4d.p)
the difference = 0.0077 - 0.00769
= 0.00001
= 1.0 x 10-5