Question

please help me
answer this question ​

Answer 1

$log_{10}(3000) = log_{10}(3 \times 1000) \\ \: \: \: = log_{10}(3) + log_{10}(1000) \: \: \: \: \: \: \: \: \\ log_{10}(3) + log_{10}( {10}^{3} ) = 0.4771 + 3 = 3.4771.$

using logrithm property