Grant finds the difference of 360 and 127 as shown. What is Grant's mistake? 4) Grant did not regroup the 4 tens when he subtracted 7. 360 - 100 Grant did not regroup the 2 hundreds when he subtracted 7. 260 20 240 Grant should have subtracted 120 instead of 20. 7 243 Grant should have subtracted the ones first and the hundreds last.

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Riemann Sum

Riemann Sums is a special type of approximation of the area under a curve by dividing it into multiple simple shapes like rectangles or trapezoids and is used in integrals when finite sums are involved. Figuring out the area of a curve is complex hence this method makes it simple. Usually, we take the help of different integration methods for this purpose. This is one of the major parts of integral calculus. 

Riemann Integral

Bernhard Riemann's integral was the first systematic description of the integral of a function on an interval in the branch of mathematics known as real analysis.