Simplify the following expression to Scientific Notation: (4 * 10 ^ - 9) ^ 5 (1 point)

O 2 * 10 ^ - 3

O 2 * 10 ^ - 46

1.024 * 10 ^ - 42

20 * 10 ^ - 4

4 * 10 ^ - 20

1.024 * 10 ^ - 48

4 * 10 ^ 45