The equation that can be used to determine the amount of dirt on the floor after 6 passes is 20 x 0.750^6 ≈ 3.56 oz.
The equation that can be used to determine the amount of dirt left after 6 passes is an exponential equation. Exponential equations have the form:
Amount of dirt left = p(1 - r)^n
Where:
20(1 - 0.25)^6
20(0.75^6) = 3.56 oz
To learn more about exponential functions, please check: https://brainly.com/question/26331578
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