round 0.2975 to 1 decimal place = 0.3
6.5- you round it until it has one decimal.
4000
20,000
2.73 ≈ 2.7 to 1 decimal place
It is then 31.2 when rounded to 1 decimal place
Go to the second decimal place; if it is less than 5; round down. If it is 5 or greater, round up. So, 1.51 rounded to 1 decimal place is 1.5.
because
4.96432 rounded to 1 decimal place is 5.0.
It is 4.1 when rounded to 1 decimal place
3.3 rounded to 1 decimal place is 3.0.
You would round it down - to 5.0