Answer:
The answer is 4,492,369.
Explanation:
First of all, how the HECK do you have 5 MILLION MARBLES?! Make the equation for the problem: 5049349 - 545000 + 45000 - 56980.
5049349 - 545000 + 45000 - 56980
4504349 + 45000 - 56980
4549349 - 56980
4492369