Answer:
[tex]1.35 x 10^{12}[/tex]
Step-by-step explanation:
When you multiply exponents together, you add them, so,
1. Simply multiply 6.75 and 0.2 normally to get 1.35
2. Add the exponents (keep bases the same) to get [tex]10^{12}[/tex]
3. Combine them together to get your answer