JAMB - Mathematics (1981 - No. 18)

A micrometer is defined as one millionth of a millimeter. A length of 12,000 micrometres may be represented as
0.00012m
0.0000012m
0.000012m
0.00000012m
0.000000012m

Explanation

1 UM = 10\(^{-6}\)mm

= 10\(^{-9}\)m

1.2 x 10\(^4\) x 10\(^{-9}\)m

= 1.2 x 10\(^{-5}\)m = (0.000012)m

Comments (0)

Advertisement