To round off 430 you will have to round up or down. To round down then it till be 400 to round up it will be 500

Round off to the nearest cent, means round off to the nearest hundredths or round off to two decimal.

If the decimal is .5 or greater you round up. Such as if a number is 7.5 you round it off to 8.

When you round off the number 0.472 to the hundredths place you get 0.47. If you round it off to the tenths place, it would be 0.5.

It depends on what degree of accuracy you want to round it off to.