What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal?
A
10-5
B
7 x 10-4
C
8 x 10-5
D
10-6
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
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
Source: Myschool Past Questions Archive (Record #31497)