For this equation your final answer is:
3486940651/2 for the Exact form
1743470325 1/2 for the Mixed Number Form
Work:
First what we do is add 5^8 and 9^10 together. And when we do this we get 3487175026.
Next we take 3487175026 and times it by 1/5. Then after we do that we divide by 2.
And after you divide by 2 you get your final answer.