A gold bar is similar in shape to a rectangular prism. A gold bar is approximately 6in. x3 5/8 in. x1 1/2 in. if the value of gold is $1,734 per ounce, about how much is one gold bar worth? Use the formula w≈ 11.15n, where w is the weight in ounces and n= volume in cubic inches, to find the weight in ounces. Explain how you found your answer.