해법
해법
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Represent the number with
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The radius of a circle is 13 cm. Find its 원둘레 in terms of pipi.The diameter of a circle is 15 ft. Find its 원둘레 in terms of pipi.The sum of 25 and twice a number.the sum of two consecutive numbers is 161Ariana invested 400 in an account paying an interest rate of 3.8% compounded monthly. Assuming no deposits or withdrawals are made, how much money, to the nearest ten dollars, would be in the account after 11 years?