Question

Exprimati in dam³ volumul unui paralelipiped dreptunghic care are dimensiunile: L=0,5 hm, l=0,042 km, h=200 dm.

Answer 1

   
Transformam dimensiunile in dam

L = 0,5 hm = 5 dam
 l = 0,042 Km = 4,2 dam
h = 200 dm = 2 dam

V = L × I × h = 5 × 4,2 × 2 = 21 × 2 = 42 dam³


 

Answer 2

$\it L = 0.5 \: hm = > L = 5 \: dam - (o~treapta~coborata~=~*10) \\ \\ \it l \: = \: 0.042 \: km = > l = 4,2 \: dam - (2~trepte~coborate~=~*100) \\ \\ \it h = 200 \: dm = > h = 2 \: dam - (2~trepte~urcate~=~\div 100) \\ \\ = = = = = = = = = = = = = \\ \\ \boxed{V_{p.d.} = L \cdot l \cdot h = 5 \: dam \cdot 4,2 \: dam \cdot 2 \: dam = 42 \: dam}$