Answer:
The number of nodes in a full binary tree of height 2 = 7
Explanation:
At each level k, of the full binary tree there are usually 
nodes.
So the full binary tree of height 2 has nodes= 
+ 
+ 
.
which is 7.
Well in my opinion is that yes they do. The ability to be able to communicate with others so far way really helps society advance towards the future. And i cant stress of how the benefits of being able to share ideas with well anyone is so wonderful.
I hope this helps.
While proceeding with an internet search I find google to be the best source considering its high accuracy. When asking your question keep it minimal yet descriptive. After having found a few sources cross reference them with each other and throw out any sources that may hold false information. After having narrowed them down look to see how recent they are because since their publication new information may have been brought to light. Look to see if they have links to where they got their information. All in all just be diligent.
Answer: when you back data up you are copying it and then moving the copy to another storage device
