1230
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.
90
302 rounded to the nearest tens place is 300
150
218 rounded to the nearest tens would be 220.
1230
58 to the nearest tens is 60.
1234
85 to the nearest tens is 90.
51 to the nearest tens is 50.
46,434,482 to the nearest tens = 46,434,480
3,589.996 to the nearest tens is 3,590
429 to the nearest tens = 430
82 to the nearest tens = 80
4,368,498 to the nearest tens = 4,368,500
248 to the nearest tens is 250
145 to the nearest tens = 150