what is (4 × 10^−9)^5 in scientific notation

Answer 1

4 × 10^(-9) can be written as 4 × 10^(-9). To raise this value to the power of 5, you would multiply the exponent by 5. So, the answer is:

4^5 × 10^(-9 × 5)
= 1024 × 10^(-45)
= 1.024 × 10^(-42) in scientific notation.