lived around 260CE, obtained the approximation62500891962500440733<<π. Use the approximate value 14159.3≈πto estimate the percentage errors in these approximations. [Today, using iterative methods that converge very rapidly, and powerful computers, πhas been calculated to billions of decimal places.] r r r r r r r r 10. Let N be the smallest positive integer whose digits add up to 2012. What is the first digit of 1+N? A 2 B 3 C 4 D 5 E 6
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