The number represented by the cell contents "8.4557e + 9" is in scientific notation. The "e + 9" means that you multiply 8.4557 by 10 raised to the power of 9.
So, we can calculate it as follows:
\[ 8.4557 \times 10^9 = 8.4557 \times 1,000,000,000 = 8,455,700,000 \]
Thus, the correct answer is:
D. 8,455,700,000