Answer:
the answer is A.
Step-by-step explanation:
when you move 3 back you go in to ones, tens, hundreds, and thousands. to simply get back just mutiplye by 1,000
Answer:
150m
Step-by-step explanation:

Answer:
-3
Step-by-step explanation:

Answer:
33
Step-by-step explanation:
33 is odd, so cannot be a multiple of an even number.