2000 as 1993 is 7 away, but is 93 away from 1900,
so as 7 is smaller than 93 then the answer is 2000
To round off 78 to the nearest hundred, you look at the tens digit, which is 7. Since 7 is greater than 5, you round up. Thus, 78 rounded to the nearest hundred is 100.
100
900
2,600
800
409 to the nearest hundred is 400
548.48 rounded off the nearest hundred is 540.
3486 rounded off to the nearest hundred is 3500.
593 656 rounded off to the nearest hundred is 593 700.
833 rounded off the nearest hundred is 800.
409,381,900
10100
100
600
900
2,600
3600