Geri ran in a marathon race. it took her 3 hours and w8 minutes to run 26 miles hiw many minutes did it take her to run 1 mile if she ran at the same rate for the whole race?

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.