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

1 meter = 100 centimeters = 1000 millimeters (all are equal place in terms of value). 145mm/1000mm (to convert the units into meters) = 145. Which is the percentage (14.5%) 145 is 14.5% of 1000, which would make the answer D.