Answer:
No.
Step-by-step explanation:
[tex]12*10^4[/tex] is not in scientific notation.
In scientific notation, the first constant has to have a decimal with one digit that is not zero to the left of it. '12' is not a decimal.
[tex]12*10^4[/tex] in scientific notation would be:
[tex]1.2*10^5[/tex]
Brainliest Appreciated.