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 Question from Vaidehi, a student: Find the base value (i.e. x): 211(base x)=152(base 8)

Hi Vaidehi,

$152_8 = 1 \times 8^2 + 5 \times 8 + 2.$ Use the same technique to convert $211_x$ to base 10. Since the two are equal you can solve the resulting equation for $x.$

Penny

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