JAMB - Mathematics (1989 - No. 6)
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
설명
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
0.007685 = 0.0077(4d.p)
the difference = 0.0077 - 0.00769
= 0.00001
= 1.0 x 10-5