Heyy merry christmas !
area of a triangle = base * height : 2
4 * 5 = 20 : 2 = 10
10 * 12triangles = 120cm^3
Cxjhsghhddvhjddaafhgsdghhfsfgjjjjgfffghhjjjjjjjjjjretyrdvjfxhjk
1.634
x. 2
———
3.268
Answer: 3.268
Nice… running is better for you
Scientific notion always has a number times 10 to the power of something.
So

Now if you had to round then it would become