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6 September, 02:34

The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.

Using the exponential regression model, which is the best prediction of the wavelength of the key that is 8 above the A above middle C?

49.3149.4449.73 49.78

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  1. 6 September, 02:48
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    B) 49.44 is the right answer
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