Answer:
[tex]6.75\times 10^{8}[/tex]
Explanation:
(2.2500x10^3) x (3.00 x10^5)
First add the power values since all are to power 10 hence this will be 3+5=8
Then multiply the digit intergers ie 2.25*3=6.75
Therefore, in scientific notation this will be represented as [tex]6.75\times 10^{8}[/tex]