Answer: The correct answer is:
5,600,000,000,000 (read "5 trillion, 6 hundred million").
Explanation:
5.6e12 is another way of writing scientific notation. This is the same as
5.6 x 10^12
The power of 10 tells us how many places to move the decimal. This means we move it 12 places. Since the exponent is positive, we are going to make the number larger; this means we move the decimal to the right. Moving it 12 places gives us
5,600,000,000,000