Answer:
10

Explanation:
We know that a biologist counted 10,000 migrating monarch butterflies and we are to write this number of butterflies as a power of 10.
Numbers such as 10, 100, 1000, 10000 can be expressed as a power of 10 denoted by
where the power
is the number of zeros in that number.
So we can write 10,000 as:
