Correct Answer: Option A

Explanation

1 + 2log\(_{10}^3\)

= log\(_{10}^{10} + log_{10}^{3^2}\)

= log\(_{10}^{10} + log_{10}^{9}\)

= log\(_{10}^{10 \times 90}\) = log\(_{10}^{90}\)

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