Describe how to round 678 to the nearest hundredth

This is how to round 678 to the nearest hundred first u look at the hundreds place there is 6 and u look at the tens place the number there is 7 and 7 is greater than 5 so u round up to 700. the rule is if a number is less than 5 u round down and if is greater than 5 u round up

700 678 is closer to 700 than 600 4 or below you round down 5 or more you round up