The expression,as you posted it, is . If this is correct, then just type it into your calculator.
If the expression is: then...
There is no exponent in this expression, even though it looks there is. The second 0.3 is not an exponent of the first 0.3!! The first 0.3 is the base of the logarithm and the second one is the argument of the logarithm. Posting logarithms are difficult. To post a log like this, either
Use some English to help describe the log. For example, this one could be described as: "the base 0.3 log of 0.3"; or...
Teach yourself the syntax we use on algebra.com to get nice-looking logs like . Click on the "Show source" link above to see what I've typed to get these logs to look good.
Whenever the base and argument of a logarithm matches, like , then the log is equal to 1.