The painting below uses similar lighting techniques to the last supper, and both were painted by which artist

we could tell by the rotten smell, that something putrid was in our trash can.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.