Isn't it 27? Because if you went backwards 300-219 is 81 and 81 divided by 3 is 27. if you went forwards, 27 times 3 is 81 and 300 reduced by 81 is 219.
Answer:
It's A
Step-by-step explanation:
5,29×10=52,9
you move coma one place to the right when times 10
70 for the first one I can’t figure out the rest I’m so sorry