Mary spends 1/6 hour to make a friendship bracelets she spends 3 hours before lunch and 2 hours after lunch making the. bracelets how many bracelets does she make in all ?

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.