Given that and , find .
Answer and explanation
Correct answer: C. 2.987
- Step 1: Write . Step 2. . Answer: 2.987. Why not the others: 1.436: That multiplies the logarithms, which is not a logarithm law. 2.459: That subtracts the logarithms, which would be for a quotient. 2.107: That uses for both factors.
Practise more Surds, indices and logarithms.
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