Question

cat face 20^8=
cat face 90^5=
cat face 38^6÷​

Answer 1

$\it 20^8=\underbrace{\it20\cdot20\cdot20\cdot\ ...\ \cdot20}_{8\ factori}=25\ 600\ 000\ 000$

Answer 2

20^8=25600000000
90^5=5904900000
38^6=3010946384