It is 12.1
4.99845805 follows the normal rules of rounding. If it is rounded to 1 decimal place, it becomes 5.0.
20.1
0.93 rounded to the nearest whole number is 1. If rounding to one decimal place, it remains 0.9. If rounding to two decimal places, it stays as 0.93.
7.1 Do not make the mistake of rounding to 7.15 and then 7.2
4.82 rounded to one decimal place is 4.8. When rounding, you look at the digit in the second decimal place, which is 2 in this case; since it's less than 5, you do not increase the first decimal place.
Rounding to 1 decimal place (1.d.p) is 1.2Also known as rounding to the nearest hundredth
It is 4.4
7.3
It is: 2.7
4.99845805 follows the normal rules of rounding. If it is rounded to 1 decimal place, it becomes 5.0.
Rounding to the nearest tenth is 19.9Also known as rounding to 1 decimal place (1.d.p)
20.1
0.93 rounded to the nearest whole number is 1. If rounding to one decimal place, it remains 0.9. If rounding to two decimal places, it stays as 0.93.
When rounding 3.25 to 1 decimal place, you look at the second decimal place, which is 5. Since 5 is equal to or greater than 5, you round up the first decimal place. Therefore, 3.25 rounded to 1 decimal place is 3.3.
7.1 Do not make the mistake of rounding to 7.15 and then 7.2
When rounding 0.064 to 1 decimal place, you look at the digit in the second decimal place, which is 6. Since 6 is equal to or greater than 5, you round the digit in the first decimal place up by 1. Therefore, 0.064 rounded to 1 decimal place is 0.1.
"Rounding" a decimal results in fewer decimal places than it started with.300 doesn't have any decimal places to start with, so it can't have anyfewer than that. Rounding never produces more decimal places.