Determine the geometric mean of 8 and 12, to the nearest tenth. A) 10.0 B) 4.5 C) 48.0 D) 9.8

Behelit asked Jan 1, 2022

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Determine the geometric mean of 8 and 12, to the nearest tenth.

A) 10.0
B) 4.5
C) 48.0
D) 9.8

Behelit asked Jan 1, 2022

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22 votes

Answer:

D) 9.8

Explanation:

The geometric mean of two numbers x and y is

√(xy)

so
√(8*12) =
√(96)
$\approx 9.7979$

Which, since the 9 in the hundredths place is greater than 5, we can round up to 9.8

Sissythem answered Jan 4, 2022

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