Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3x6
A. 6log3x6
B. 3log6x
C. 3 log x
D. 6log3x
Answer: D
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Solve the problem.The half-life of a certain radioactive substance is 13 years. Suppose that at time t = 0 , there are 20 g of the substance. Then after t years, the number of grams of the substance remaining will be N(t) = 20(1/2)t/26How many grams of the substance will remain after 39 years?
A. 0.88 g B. 1.77 g C. 7.07 g D. 3.54 g
Decide whether or not the events are mutually exclusive.Events A and B defined as followsEvent A is that at least three of Toni's five cousins are female. Event B is that at most four of Toni's five cousins are male.
A. Yes B. No
Find the nth term of the geometric sequence.a1 = 1792, r = 
, n = 4
A. a4 = - 
B. a4 = 
C. a4 = -28
D. a4 = 28
Factor completely, if possible.27a4 - 147b2
A. 3(3a2 - 7b)2 B. 3(3a2 + 7b)(3a2 - 7b) C. Prime D. 3(3a2 + 7b)2