2+2
(Don't Answer this You Notifactions well blow up)

2+2=4

Explanation:

Have a great rest of your day

#Nova

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.  

homophonic or a tonal