Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create a problem that has the smallest possible positive answer.
Hint
How does the value of the base of a logarithm affect the value of the function?
Answer
Log base 7/1 of 9/8 or Log base 1/7 of 8/9
Source: Noel Chang
Open Middle®