81-0.75 = 0.037 (rounded)
Correct!
81 rounded to the nearest 10 is 80
It is about 81% rounded
82136 and 82138. Anything between 81230 and 81235 would be rounded down.
It is: 63/81 times 100/1 = 77.78% rounded
Rounded to two decimal places, the sixth root of 81 is 2.08.
0.0186
0.1268
81
It is: 81% rounded up
81