Answer:
D. 198,579 → 199,000
Step-by-step explanation:
thousand is X,000
A. 78,294 → 78,300
8 is in the thousands place
we look at the 2 2<5 leave it alone
78,000
B. 321,511 → 321,000
1 is in the thousands place
we look at the 5 5>=5 we round up
322,000
C. 817,849 → 819,000
7 is in the thousands place
we look at the 8 8>5 we round up
818,000
D. 198,579 → 199,000
8 is in the thousands place
we look at the 5 5>=5 we round up
199,000
