2012 · Q14
The geometric mean of 32, 4, 8, X, 2 is 8. What is the value of X?
Elementary MathematicsStatistics
- A2
- B4
- C8
- D16
Explanation
(32*4*8*X*2)^(1/5) = 8 gives 2048*X = 32768, so X = 16.
The geometric mean of 32, 4, 8, X, 2 is 8. What is the value of X?
Explanation
(32*4*8*X*2)^(1/5) = 8 gives 2048*X = 32768, so X = 16.