It is: 630
58 to the nearest tens is 60.
85 to the nearest tens is 90.
51 to the nearest tens is 50.
46,434,482 to the nearest tens = 46,434,480
429 to the nearest tens = 430
58 to the nearest tens is 60.
392 to the nearest tens = 390
248 to the nearest tens is 250
145 to the nearest tens = 150
4,368,498 to the nearest tens = 4,368,500
429 to the nearest tens = 430
82 to the nearest tens = 80
3,589.996 to the nearest tens is 3,590
51 to the nearest tens is 50.
85 to the nearest tens is 90.
46,434,482 to the nearest tens = 46,434,480
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.