Please help me it’s geometry I need help

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

How to use order of operation in 20 divide by 4 multiply 5 = 1

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.