The science club went on a two day field trip. the first day the members paid $60 for transportation plus $15 to the planetarium. the second day they paid $95 for transportation plus $12 per ticket to the geologe museum. what is the total cost for two days for the n members of the club

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.