_15. Charlie invested $200 in an account that earns 5.25% interest compounded monthly for 6 years. Find the final amount of his investment.
A) $229.98
B) $743,970.62
C) $146.06
D) $273.86

Maybe the answer is 20mm. all i really did was just multiply, which is obvious.

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.