Question

Ma ajuta cineva va rog foarte frumos dau coronita ex 27 si ex 28 va implor Urgent Jur ca dau coronita

Answer 1

27.
ρ=m/V=>V=m/ρ
ρ=11,34 g/cm^3
V=m/ρ=454/11,34=40,03 cm^3

28.
ρ=m/V=>V=m/ρ
ρ=2,5 g/cm^3
V=m/ρ=20/2,5=8 cm^3
V=l^3<=>8=l^3=>l=2 cm