Express the sum of n terms using sigma notation. {{CMD_4}} Apply the properties of sums when working with sums in sigma notation. {{CMD_5}} Understand the relationship between area under a curve and sums of areas of rectangles. {{CMD_6}} Approximate area of the region under a curve. {{CMD_7}} Compute left, right, and midpoint Riemann sums with 10 or fewer rectangles. {{CMD_8}} Understand how Riemann sums with n rectangles are computed and how the exact value of the area is obtained by taking the limit as {{MATH_9}} . {{CMD_10}}