### Home > CALC > Chapter 7 > Lesson 7.2.3 > Problem 7-87

7-87.

A Riemann sum does NOT have to be written in sigma notation.

Your setup should be concise and preferably written as a single equation.

*V* = 2*π*(8^{2} + 7^{2} + ... ) in^{3}

7-87.

A Riemann sum does NOT have to be written in sigma notation.

Your setup should be concise and preferably written as a single equation.

*V* = 2*π*(8^{2} + 7^{2} + ... ) in^{3}