What is the geometric mean of: 1, 2, 8, and 16?
- 6
- 5
- 4
- None of these
Explanation
To find the geometric mean, we need to multiply the numbers together and then take the nth root, where n is the number of values.
In this case, we have 4 numbers: 1, 2, 8, and 16.
First, multiply them together:
1 × 2 × 8 × 16 = 256
Then, take the 4th root (since there are 4 numbers):
256^(1/4) = 4
So, the geometric mean is 4.
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