3.987, 3.988, 3.989
4 decimals: 1.0033 3 decimals: 1.003 2 decimals: 1.00
You round .4 .3 .2 and .1 down and .5 .6 .7 .8 and .9 up.
1.16, 1.17, 1.18
0.0755
i.e. 7.5 can be round to 8.o
Yes
If it more then 4 it goes as a 1, if it less then 4 the answer is 4,you stay with the same number
how many decimals in hundredths round to 0.5
round 1.998 to the four decimals as needed = 1.9980
3/4 = 0.75
You would round it by looking at the number in the thousandths place. If the number is 1-4, then it rounds down. If it's 5-9, then round it up.
A whole number doesn't have decimals so you could just round it to 3.