Three decimals that round to 3.4 are 3.35, 3.45, and 3.44. When rounding to one decimal place, if the digit to the right is 5 or greater, the digit being rounded increases by 1. If the digit is less than 5, the digit being rounded remains the same.
Chat with our AI personalities
Yes
round 1.998 to the four decimals as needed = 1.9980
how many decimals in hundredths round to 0.5
4.0
A whole number doesn't have decimals so you could just round it to 3.