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What is the solution to the equation 9^-3x ≈ 7? (1 point)
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What is the solution to the equation 9^-3x ≈ 7? (1 point)

User Terence Parr
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1 Answer

2 votes

Answer:

take log base 10 of both sides to get

3x*log(9) = log(7)

x = [log(7)/log(9)]/3

x = 0.2952 to 4 dp.

Explanation:

User Ceej
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