You are using a tree to show the evaluation order of arithmetic expressions. Which of the following statements is NOT correct?
A) Leaves contain numbers.
B) Interior nodes contain numbers.
C) The root contains an operator.
D) Every level of the tree must contain an operator.
Correct Answer:
Verified
Q17: Consider the following tree diagram: 
Q18: Consider the following tree diagram:
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Q20: Consider the following tree diagram:
Q21: The height of a tree can be
Q23: Consider the following tree diagrams:
Q24: Consider the following tree diagrams:
Q25: A completely filled binary tree with a
Q26: Consider the following tree diagrams:
Q27: The height h of a completely filled
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