Answer:
There's no equation. You must've forgotten to put the file in the question.
80 is a good one to start with.
After that, you can move on to 83, 481, 1687, and 102,974,589 .
Answer:
Divide.
Step-by-step explanation:
Answer:
593 
Step-by-step explanation:
3.14 ×
= 907.46
3.14 ×
= 314
907.46 - 314 = 593.46