Respuesta :

Answer: 1.7 apples.

Explanation:          

The average energy consumed per hour while sleeping:

60 dietary cal ⁄ h = 251 kJ ⁄ h

(251 kJ ⁄ h) • (2 hours) = 502 kJ

which is:  502 ⁄ 300 = 1.7 apples

Hope this helps!