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.
For three significant digits, this number has to be rounded at the ones place. So if you look at the number after the ones place (8), you see that you need to round up. The final answer is 45.0 - the zero after the decimal is significant.
That's simple to work out. 730 mm is 73 cm, you simply move the decimal point 1 place to the left.
By dividing the number in milimeters by 1000.
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
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
334.4 is already in 1 decimal place
To one decimal place it is rounded to 0.9
because