Respuesta :

  • Answer:

h ≈ 0.25 cm

  • Step-by-step explanation:

Hi there !

  • density formula

d = m/V

V = l×w×h

replace

2.17 = 438/(40×20)×h

2.17 = 438/800×h

2.17×800×h = 438

1736h = 438

h = 438/1736

h ≈ 0,25 cm

Good luck !