what is log with a base of 1000 = 55
I assume we have either
log1000 a = 55 ... or.... log100055 = a
In the first case "a" = 100055 (this is a really "big" number)
In the second case, "a" can be found by using the "change-of-base" rule
a = log 55 / log 1000 = log 55 / 3
