What is 10x10^12?

Determine which postulate or theorem can be used to prove that lmn =nmo

Whats four fifths to the first power

Thomas works for a company that occupies a large campus every workday he orders a cup of coffee on campus and the $1.50 cost is automatically deducted from his paycheck. if thomas visits the coffee shop 13 times what will the net change in his paycheck be