Approximate the area under the graph of f(x) = 0.01x¹ - 1.69x² +99 over the interval [8,12] by dividing the interval into 4 subintervals. Use the left endpoint of each subinterval. The area under the graph of f(x) = 0.01x4 -1.69x² +99 over the interval [8,12] is approximately (Simplify your answer. Type an integer or a decimal.)

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