Answer:
[tex] {b}^{9} [/tex]
Step-by-step explanation:
One of the rules for division of powers is that:
[tex] \frac{ {a}^{m} }{ {a}^{n} } = {a}^{m - n} [/tex]
Knowing this:
[tex] \frac{ {b}^{11} }{ {b}^{2} } = {b}^{11 - 2} = {b}^{9} [/tex]
