Question list K The radioactive element carbon-14 has a half-life of 5750 years. A scientist determined that the bones from a mastodon had lost 84.1% of their carbon-14. How old were the bones at the time they were discovered? Question 21 The bones were about years old. (Round to the nearest integer as needed.) Question 22 Question 23 Question 24 O Question 25 x Question 26 Question 27Question list Solve for x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. log x= - 2 Question 27 O A. The solution is x =. (Type an exact answer in simplified form. Use a comma to separate answers as needed.) O B. The solution is not a real number. Question 28 Question 29 Question 30 .. . Question 31 Question 32 Question 33 x Question 34Question list Solve the following logarithmic equation. K log 4(S + 14) - log 4(S + 6) = log 4S Question 31 Select the correct choice below and, if necessary, fill in the answer box. Question 32 A. The solution(s) is/are [ ]. (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) Question 33 O B. The solution is not a real number. x Question 34 Question 35 O Question 36 Question 37 Question 38 Vi Vi I. MoreQuestion list K Express as a single logarithm and simplify, if possible. - log x + 2log by - 3log bX O Question 9 Question 10 7 10g bX + 2log by - 310g x = (Type your answer using exponential notation. Use integers or fractions for any numbers in the expression.) O Question 11 x Question 12 Question 13 Question 14 Question 15Question list K Express in terms of sums and differences of logarithms. 4 m12 12 log Question 8 O Question 9 4 m 2n12 log a ab3 = 3log am + 3log an - 7 log ad + 7 log ab Question 10 (Simplify your answer. Use integers or fractions for any numbers in the expression.) O Question 11 x Question 12 Question 13 Question 14