15mm - you just times it by 10!! (move the decimal place 1 place to the right)!
There are 1447.8 millimetres to 57 inches to 1 decimal place.
There is no smallest decimal in the world because decimals can be infinitely small by adding more decimal places.
Rounding up involves increasing a number to the nearest whole number or specified decimal place. When rounding up, if the digit being rounded is 5 or greater, it is increased by 1. This adjustment ensures the number is closer to the next higher value.
Round 12 to 1 significant figure is 10.
round 0.2975 to 1 decimal place = 0.3
2.73 ≈ 2.7 to 1 decimal place
It is then 31.2 when rounded to 1 decimal place
You round to 1.0
6.5- you round it until it has one decimal.
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.
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.
6.32 rounded to 1 decimal place = 6.3
because
334.4 is already in 1 decimal place