What is the rule for the pattern below?
58, 50, 42, 34, 26

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Math it's appreciated. (picture provided)

Write the equations in logarithmic form 9^4=6,561