English

(𝑎,𝑏]: interval from 𝑎 to 𝑏 including 𝑏 but not including 𝑎

2^16: "two to the sixteenth" or just "two to the sixteen"

x ^ y: x to the power of y

x2: "x squared", x3: "x cubed

5!: "5 factorial"

Reference:

• How to read exponential expression