Answer:
I'll answer the question in the picture first.
log(6) = 1.788
log(8) = 2.079
ln(6) = 1.792
ln(8)= 2.08
How to use a scientific calculator?
There are many different types of scientific calculators, so it is difficult to give a single answer to this question. However, most scientific calculators have a variety of buttons that perform different functions. Typically, there are buttons for the four basic operations ( addition, subtraction, multiplication, and division), as well as buttons for more complex functions such as square roots and exponential operations. To use a scientific calculator, simply press the buttons corresponding to the operations you want to perform.
Explanation: