11. Mr. Qu ate 8 dumplings on Monday and 20 dumplings on Tuesday.
1 answer:
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Answer:
Step-by-step explanation:
According to the law of logarithm;
Given
Comparing with the original expression;
a = 9, b = 2 and c = 2x - 1
Substitute into the result indicinal expression;
This gives the required exponential equation