How Do You Round 489,334,209

This is different from the first one can someone me

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6