Simplify the following expression to Scientific Notation: (9 * 10 ^ 16) ^ 2 (1 point)
Multiply exponents to get 18 * 10 ^ 32
Multiply exponents to get 8.1 * 10 ^ 33
Add exponents to get 9 * 10 ^ 18
Multiply exponents to get 8.1 * 10 ^ 31
Add exponents to get 8.1 * 10 ^ 17
Add exponents to get 81 * 10 ^ 32