Question

Simplify the following expression to Scientific Notation: (4×10−9)5
(1 point)
Responses

2.0×10−46
2 point 0 times 10 to the negative 46 power

1.024×10−48
1 point 0 2 4 times 10 to the negative 48 power

1.024×10−42
1 point 0 2 4 times 10 to the negative 42 power

2.0×10−3
2 point 0 times 10 to the negative 3 power

20×10−4
20 times 10 to the negative 4 power

4×10−20
4 times 10 to the negative 20 power

4×10−45

Answer 1

(4×10^−9)^5 = 4^5 × 10^(−45) = 1024 × 10^(−45) = 1.024 × 10^(−42). So the correct choice is 1.024×10^−42.