780.00
800
780
To round 780 to the nearest hundred, you look at the digit in the tens place, which is 8. Since 8 is equal to or greater than 5, you would round up the hundreds place digit by 1. Therefore, 780 rounded to the nearest hundred is 800.
780
780
780
The number 780 is already rounded to the nearest tenth.
780
780
780
780