6.4
3.91 rounded off to one decimal place = 3.9
21.99 rounded to one decimal place
37.7
61.6 is the answer
1.9
3.91 rounded off to one decimal place = 3.9
21.99 rounded to one decimal place
there are no decimals to round off in 96.
69.6
61.6 is the answer
37.7
1.9
6.5km
7.2
99.99 rounded off to one decimal place = 100.0
6.5
To round off 0.54, look at the digit in the first decimal place, which is 5. Since 5 is equal to or greater than 5, you round up the digit in the second decimal place (4) by one. Therefore, 0.54 rounded off to one decimal place becomes 0.6.