Answer:
a
Step-by-step explanation:
the five terms for arithmetic is that
We have 1.2 × 10^(-4) x 6.25 × 10^(-5 ) = 7,5 x 10^(-9) = 75 x 10^(-10) square kilometers.
Answer: C. 150 km²
<u>Step-by-step explanation:</u>
Use similar triangle proportion to find x:

Estimation would be 90 x 70
Which is 6300.
Real answer of 92 x 68
= 6256