Respuesta :
using conversion
let km be the base unit
9 hm = 0.9km
9 dm = 0.0009 km
7 dam = 0.07km
adding all of the values
3 + 0.9 + 0.00009 + 7 + 0.07 = 10.97009
let km be the base unit
9 hm = 0.9km
9 dm = 0.0009 km
7 dam = 0.07km
adding all of the values
3 + 0.9 + 0.00009 + 7 + 0.07 = 10.97009