In 2007, the population of North America was approximately 5.15 * 10 ^ 8 people and the population of South America was approximately 3.04 * 10 ^ 8 people. What is the combined population of North and South America for this year?
A 8.19 * 10 ^ 16 people
B 819 * 10 ^ 9 people
C 819 * 10 ^ 8 people
D 8.19 * 10 ^ 64 people
E 8.19 * 10 ^ - 9 people
The combined population of North and South America in 2007 would be:
5.15 * 10^8 (North America) + 3.04 * 10^8 (South America) = 8.19 * 10^8
Therefore, the answer is C) 819 * 10^8 people.