Question

12,6km+34,15hm+4,03dm+1,25m

Answer 1

1km= 1,000m
1hm= 100m
1dm= 10m

(12.6)(1,000)= 12,600m
(34.15)(100)= 3,415m
(4.03)(10)= 40.3m

12,600m+3,415m+40.3m= 16,055.3m

Saludos !