Answer:
1.6*10^9 the 3rd one
2. the third one
Step-by-step explanation:
1. there are 9 zeros that need to be pushed back
2. there are 3 numbers that need to be pushed back
the first one, is C
So number 2 is not correct but I'm not sure if its c but I think it is
And number 3 I think its c
