Adam drove 512 miles in 8 hours. What was the average speed for his trip? Use the formula d=rt. Include all of your calculations in your final answer.

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.

Hold on lemme do the work