I need help for a tutorial class in algebra, just for better understanding.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12