Respuesta :

Step-by-step explanation:

step 1. 15^0 = 1

step 2. 10^9 = 1,000,000,000

step 3. 4x5+8 = 20 + 8 = 28.

Answer:

29. D

30. B

31. A

32. C

33. H

34. G

35. E

36. F

37. J

38. L

39. I

40. K