Perform the following operation
and express the answer in
scientific notation.
5.4x103 x 1.2x107
![Perform the following operation and express the answer in scientific notation 54x103 x 12x107 class=](https://us-static.z-dn.net/files/d96/8db9ef202df0a6a15cfe2f2b2891ff46.png)