Answer:
the answer is 10√5
Explanation:
100⋅5 gives you 500 now 10⋅10 gives you 100 now you have two 10s and you get 5,2 for both 10s and you have a pair of 5 and a pair of 2 put the 5 earlier doesn't have a partner so you keep him inside b/c he doesn't have anyone
