Answer:
This is in scientific notation ⇒

Explanation:
I used the calculator to solve, but you could use the long method, which is below:
7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7x7=

(^that is 7 one hundred times)