Convert 145.0 mm to meters and express the answer to the correct number of significant digits.
a. 0.1450 m
b. 0.145 m
c. 145,000 m
d. 1.450 m

145.0 mm = 0.01450 m

Explanation:

We know that :

1 mm = 0.001 meters

the unit factor will be:

Thus to convert 145 mm we will convert it into meters by using the unit factor.

The significant figures in question is four.

So we will also report the answer to four significant figures.

Thus 145.0 mm = 0.01450 m