Each 10 mm of a filter through which light passes reduces


Question: Solve the given problems by use of an appropriate sequence or expansion. All numbers are accurate to at least two significant digits.

Each 1.0 mm of a filter through which light passes reduces the intensity of the light by 12%. How thick should the filter be to reduce the intensity of the light to 20%?

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Mathematics: Each 10 mm of a filter through which light passes reduces
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