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Student Portal I Main × Log In I LoudCloud Syst x @ Do Homework . Tressa , x : tu Ma C secure : https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-441 l MAT-144-TR700B Homework: Homework Week 11 Score: 0 of 3 pts 7.1.13 23 of 46 (39 complete) Using the approximation log 105 a 0.699, find each of the following without a calculator. , log 1025 b, log 10500 c.log 12 a. log 1025 d, log 100.5 Simplity your answer. Type an integer or decimal rounded to three decimal places as needed.) Enter your answer in the answer box and then click Chock Answer. 3 pertaining Clear A O Type here to search

Explanation / Answer

A) log1025 = log1052 = 2 log105 = 2 * 0.699 = 1.398

B) log10500 = log10100 * 5 = log10100 + log105 = 2log 1010 + log105 = 2 * 1 + 0.699 = 2.699

C) log101/25 = log105-2 = -2log105 = -2 * 0.699 = -1.398

D) log100.5 = log105/10 = log105 - log1010 = 0.699 - 1 = -0.301

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