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Question

What approximate value should come in place of question mark (?) in the following question:

13³ + 1.3² + 1.03¹ + 1.003 =?

A 2120 Correct Answer Incorrect Answer
B 2300 Correct Answer Incorrect Answer
C 2700 Correct Answer Incorrect Answer
D 2400 Correct Answer Incorrect Answer
E 2200 Correct Answer Incorrect Answer

Solution

13³ + 1.3² + 1.03¹ + 1.003 =? ≈ 2197 + 1.69 + 1.09 + 1 ≈ 2200

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