126 to the nearest ten is 130 because 6 is closer to 10 than 0.
130
20 is already rounded to the nearest tens.
3,545 to the nearest tens is 3,550
432 to the nearest tens place is 430
56,999 to the nearest tens is 57,000
58 to the nearest tens is 60.
130
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
392 to the nearest tens = 390