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I need your help in this 5 questions please.

Q1) Find an approximate of Log[3] 40 to the three decimal points.

Q2) Solve 5^(2x+1) = 30 . Give the answer to the nearest thousandth.

Q3) The bacteria in culture t hours after beginning of the experiment is given by function (t)= 500,000e^0.06t. How long to the nearest to the tenth hour would it take the bacteria in the experiment to double.

Q4)Solve Log[3](13x+2) - Log[3](x+2) = 2

Q5) A Radioactive substance is decaying so that the number of grams present after number of t days are given by the function

A(t)=4000e^(-0.02t) Find the half-life of the substance to the nearest day.

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