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
Correct Answer: Option 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