Which best describes the error in finding the simple interest earned on $500 at 6% for 18 months? They did not convert $500 to cents. They did not convert , $500, to cents. They did not multiply in the correct order. They did not multiply in the correct order, . They did not place the decimal in the answer correctly. They did not place the decimal in the answer correctly, . They did not convert 18 months to years. They did not convert 1, 8 months to years. Question 2 Correct the error. The simple interest earned equals $ .