5
'94' rounded to the nearest tens is '90'.
10
80
50
It is already rounded to the nearest tens so you do nothing.It is already rounded to the nearest tens so you do nothing.It is already rounded to the nearest tens so you do nothing.It is already rounded to the nearest tens so you do nothing.
800
456.56 rounded to nearest tens is 460
The answer depends on the extent to which the number is to be rounded. To the nearest tenths it is 5.0 while to the nearest tens it is 0.
90
An infinite number.
0
The answer depends on the extent to which the number is to be rounded. To the nearest tens it is 1500. To the nearest billion it is 0.