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