How many ways are there to choose committee of four members
10 women and 8 men are on faculty in mathematics department at the school. How many ways are there to choose the committee of 4 members of department if at least one woman should be on committee?
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Determine the de Broglie wavelength with these electrons. H atoms in their lowest energy excited state are irradiated with the light frequency 3.510 x 10^15 Hz, causing electrons to be ejected.
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How many ways are there to choose the committee of 4 members of department if at least one woman should be on committee?
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