The basketball team is traveling 347 miles from nashville, tennessee to columbus, ohio for a national tournament. the team plans to leave nashville at 7: 30am and stop for a one-hour lunch break. if the bus maintains a constant speed of 50 miles per hour, approximately what time will the team arrive in columbus?

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.