What is 2.08×10to the second power in standard form

What is the equation of the graph below? y=sec(x)-4

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y