Answer : The scientific notation of 0.000345 is, [tex]3.45\times 10^{-4}[/tex]
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, [tex]3.45\times 10^{-4}[/tex]
Hence, the answer is, [tex]3.45\times 10^{-4}[/tex]