Answer : The scientific notation of 0.000345 is, \(3.45\times 10^{-4}\)
Explanation :
Scientific notation : It is the method of writing the given number in a simple way when the number is multiplied by the power of 10.
The given number is, 0.000345
The number expressed in scientific notation as, \(3.45\times 10^{-4}\)
Hence, the answer is, \(3.45\times 10^{-4}\)