The number is already rounded to exactly that degree!
It's already there.
79.6 rounded to the nearest tens is 80. Then, 80 rounded to the nearest ones is 80.
80
80
The answer is 80
40
79.6 rounded to the nearest tens is 80. Then, 80 rounded to the nearest ones is 80.
80
80
80
The answer is 80
40
80
77 would be rounded up to 80 if you were asking for the tens place. Don't confuse tens with tenths. 77 rounded to the nearest tenth place is 77.
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.
456.56 rounded to nearest tens is 460
3800
90