Answer: the answer would be D
Step-by-step explanation: in the exponent fraction the root would be 3 because the base of the fraction is thred. Always look at that.
At the end of each year, the amount is (1 + 11%) = 1.11 times the amount at the beginning of the year. When that multiplier is applied 5 times, the result is
$30 * 1.11^5 ≈ $50.55
1.57, divide two times pi (3.14)