Answer : \(5.0 X 10^{-5}\)
Explanation : We need to simply calculate the division for finding the correct answer and which can be expressed in scientific notation.
\(\frac{6.32 X 10^{-4} }{12.64}\)
The answer on solving will be \(5.0 X 10^{-5}\).
Simple division method was used to find out the answer.