I BEG for help with this problem I don’t understand it might be easy to Sum but I never learned in class!!!

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

For how answer my question this will be the last question can you answer in math subject

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges