1) Let's tackle this question with the following procedure for each conversion:
Metric Conversions:
350 km
Or Simply:
b) 2 miles
Considering that 1 mile is equivalent to 1609 meters then we can write:
c) 240"
One inch is 2.54 centimeters. 1 centimeter is 1/100 meters so we can write out the following:
Note that all conversions are proportional. And those are the answers.