URGENT!! 20 Points Please Help!! WIll mark brainliest!! My assignment is due in 10 minutes!!

3.) Make the following conversions:

a.) 157cs to seconds
b.) 42.7L to milliliters
c.) 261nm to millimeters
d.) 0.065km to decimeters
e.) 642cg to kilograms
f.) 8.25 × [tex]10^{2}[/tex]cg to nanograms