Step-by-step explanation:
Hey there!
=86^19
This is also;
=86×86×86×86×86×86×86×86×86×86×86×86×86×86×86×86×86×86×86.
When you multiply these all you will get;
=[tex]5.694696374 \times {10}^{36} [/tex]
This is your final answer.
Hope it helps..