Hector invest 10,000 at the age of 21. he hopes investments will be worth 150,000 when he turns 50 . What is the interest compounded continuously approximately what rate escrow will he need to achieve this goal? Write your answer as a percent rounded to one decimal place.

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.

31/6= 19/6 19/6 *1/7=19/42