# Left & right Riemann sums

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### Problem

Approximate the area between the x-axis and g, left parenthesis, x, right parenthesis from x, equals, 10 to x, equals, 16 using a left Riemann sum with 3 unequal subdivisions.
x10121516
g, left parenthesis, x, right parenthesis5177
The approximate area is
unitsstart superscript, 2, end superscript.