What is the greatest multiple of 10 that can be expressed using only the numbers 2,2,3,5 each exactly once, with any or all of the operations, +*,divide, exponentiation, parentheses. express your answer in scientific notation.

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge