The change of base formula allows you to write a logarithm in terms of logarithms with another base. It follows this pattern,

where a≠1 and b≠1
Assigning the base to be 7,

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Answer:
You would have to subtract 7/10
Step-by-step explanation:
87/10 - 7/10 would equal 8
Answer
it starts in high school but is not recommended for 9th graders.
Step-by-step explanation:
64 inches per bow * 9 bows = 576 inches. They want this in yards, so 576 inches is 48 feet which is 16 yards.