The students in a class were given the following grid and asked to comment on the portion of the grid that is shaded. Use the grid and the comments four students made about it, to answer question.

Comments:
Shelly: “0.1 of the grid is not shaded”
Smith: “10% of the grid is shaded”
Kevin: “ 9/10 of the grid is shaded”
Braswell: “90 hundredths of the grid is shaded"
Which student’s comment is incorrect?