Question

90Km/h->m/s
5dm^3->m^3
15cm^2->mm^2->m^2
15l->m^3
3m^3->l
25m/s->km/h​

Answer 1

$90\ km/h=25 \ m/s \\ 5 \ dm^3=0,005 \ m^3 \\ 15 \ cm^2=1 \ 500 \ cm^2=0,0015 \ m^2 \\ 15 \ l=15 \ dm^3=0,015 \ m^3 \\ 3 \ m^3=3 \ 000 \ l \\ 25 \ m/s=90 \ km/h$