Answer:
42300000
Step-by-step explanation:
Use known fact

Consider 1 square kilometer:

So, to find the answer, you have to multiply given number of square kilometers by 1000000:

<em>Factors and multiples are related by multiplication.</em>
<h2>
Explanation:</h2>
When you multiply numbers together to find a number, say, n, then those numbers are called factors of n. For instance:

On the other hand, a multiple, say, n, results when multiplying a number by an integer. For instance:

So
is multiple of 
<em></em>
<em>As you can see, both factors and multiples implies a multiplication. So factors and multiples are related by multiplication.</em>
<h2>Learn more:</h2>
Product of linear factors: brainly.com/question/13882113
#LearnWithBrainly
<span>BECAUSE if it was small, white, and smooth it would be an aspirin, of course.
</span>