The property that must be used in all the proofs is: logb(b^y) =y
<h3>What are the proofs or rules of logarithms?</h3>
The proofs are statements that are used to validate or invalidate a logarithmic expression
There are several proofs of logarithms; some of them are:
- Product rule
- Quotient rule
- Power rule
- Change of base
The common property in the first three proofs (listed above) is:

This is so because, it links all the three proofs
Read more about equations at:
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Answer: paragraph 4 of “Save the Redwoods”
Explanation: i did the test
Answer:
the answer is X
Explanation:
who says it's Z didnt look at the question, z is for the first stage question