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jmc

number theory junior

Problem

Convert

63 4_{7}

to a base 10 integer.

Solution — click to reveal

63 4_{7} = 6 \cdot 7^{2} + 3 \cdot 7^{1} + 4 \cdot 7^{0} = 294 + 21 + 4 = 319 .

Final answer

319

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