Determine the mode of the set of data in the stem and leaf plot below.

51.

Step-by-step explanation:

The mode is the value which occurs most.

Ifwe look at the right side we see that the number occurring the most is 1:

'111'.

This is 51.

i pretty sure it is

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)