What is 6.007 times 10 to the eight power in standard form?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

What’s the answer ? use the picture to see the problem

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?