What is 417 in expanded from ?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.