Indicate whether each expression is written correctly or incorrectly in scientific notation. Look to picture please hurry thank you.

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays