1. C
2. A
Hope this helped, enjoy your day.
I'm not too sure myself (cause Im a learning student myself at the age of 16 and I learn it in a completely different language) I cant really understand c) sorry for my poor english but I think I have gave you enough tips to do c)
14 x 2000
Basic multiplication fact:
14 x 2=28
Total number of zeros=3
So, 14 x 2000=28,000