Why did the arist, Édouard Manet, exclude precise details in his paintings?

Édouard Manet was a French modernist painter. He was one of the first 19th-century artists to paint modern life, and a pivotal figure in the transition from Realism to Impressionism.

Explanation:

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.