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1950 AMC 12 Question 26

AMC12 · 1950 AMC 12

Question 26

If $\log_{10}m=b-\log_{10}n,$ then $m=$
  1. $\dfrac{b}{n}$
  2. $bn$
  3. $10^bn$
  4. $b-10^n$
  5. $\dfrac{10^b}{n}$