Answer:
what you arest mine but the other one says no answer what
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
387
Step-by-step explanation:
Formula: 

Answer:
y = lnx / ln 7.
Step-by-step explanation:
x = 7^y
Take logarithms of both sides:
ln x = ln 7^y
ln x = y ln 7 ( because ln a^b = b ln a. One of the Laws of Logarithms).
y = lnx / ln 7.