Asport arena covers 710,430 square feet of ground a news paper reported that the arena covers about 700,000 square feet of ground to what place value was the number rounded

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years