The next model of a sport car will cost 4.2% more than the current model. the current model costs $54,000. how much will the price increase in dollars? what will be the price of the next model?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.