A micrometer is defined as one millionth of a millimeter. A length of 12,000 micrometres may be represented as
-
A.
0.00012m -
B.
0.0000012m -
C.
0.000012m -
D.
0.00000012m -
E.
0.000000012m
Correct Answer: Option C
Explanation
1 UM = 10-6mm
= 10-9m
1.2 x 104 x 10-9m
= 1.2 x 10-5m (0.000012)