Posted by Anonymous on Thursday, May 27, 2010 at 3:13pm.
$11,700 is invested in a compound interest account paying 3.9% compounded quarterly. How much will be in the account after 18 years? Round your answer to the nearest cent.

algebra  Reiny, Thursday, May 27, 2010 at 6:26pm
evaluate
11700(1 + .039/4)^72 
algebra  Anonymous, Wednesday, June 1, 2011 at 10:28am
23527.940563

algebra  Anonymous, Thursday, February 16, 2017 at 4:39pm
An isotope of protactinium undergoes radioactive changes at an exponential rate, having a halflife of 32,760 years. Determine the number of grams that will remain 2,000 years from a 120gram sample using the function