20 is already rounded to the nearest tens.
3,681 to the nearest tens place is 3,680
508 to the nearest tens = 510
56,999 to the nearest tens is 57,000
403 to the nearest tens = 400
58 to the nearest tens is 60.
4,368,498 to the nearest tens = 4,368,500
3,589.996 to the nearest tens is 3,590
392 to the nearest tens = 390
248 to the nearest tens is 250
145 to the nearest tens = 150
429 to the nearest tens = 430
82 to the nearest tens = 80
85 to the nearest tens is 90.
46,434,482 to the nearest tens = 46,434,480
51 to the nearest tens is 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.