Originally Posted by

**blubla** Hello everyone! I have a few problem regarding Log.

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In problem 57.

I can solve a.

But b, c, and d are different.

In b. when solving on exponential form, how can I make a base with a variable exponent equal to a fraction (or decimal)?

In c. when solving on exponential form, how can I make a base with a variable exponent equal to a root?

The same goes with d.

In problem 58.

I could solve a. But it seems that b, c, and d, are solved differently. All of them contain negative exponents. How can I make a base with an exponent equal to another positive number if the exponent is negative?

Thanks in advance for the help!