Change the exponential expression to an equivalent expression involving a logarithm.81/3 = 2

A. log28 = 
B.  = 8
C. log18 = 
D. log82 = 


Answer: D

Mathematics

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A. {- 6, - 4} B. {6, - 4} C. {24, 0} D. {6, 4}

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Solve the equation for the specified variable.S = 2?rh + 2?r2  for h

A. = 2?(S - r)
B. =  - 1
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D. = 

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The histogram shows the scores of each participant in a game from a total of 100 participants. Use the histogram to answer the question.  How many participants scored fewer than 40?

A. 97 participants B. 43 participants C. 81 participants D. 18 participants

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Write the following as an equation, using x for the unknown number. Then solve.Three-fourths of a number is . Find the number in lowest terms.

A. x = ;  
B.  + x = ;  
C. x = ;  
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