How many logarithms are the logarithms with two as the bottom three and the logarithms with two as the bottom eight?

How many logarithms are the logarithms with two as the bottom three and the logarithms with two as the bottom eight?


Log23 + 3, do you know the formula?



Three numbers 7 ^ 0.3, 0.3 ^ 7, ln0.3, size order? I want method, non calculator calculation method!


7^0.3>7^0=1
0



Proof without Calculator: LN 2 < 2 ^ (1 / 2)


Because
two