Answer:
19.
; 20. ln 22020 = 10
Explanation:
I think the question asks to change to log OR ln.
For problem number (19) log will work best.
For problem number (20) ln will work best.
19).
8² = 64 is in the form

we need to write it using log form
what exponent we raise the base to so will give us the number

20)

,
but log base e is ln so
ln 22020 = 10