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BARSIC [14]
2 years ago
7

Use the Fundamental Counting Principle to solve.

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
7 0

number \: of \: performances = 9 \\ note =  \\ one \: insists \: on \: being \: last \\ number \: of \: flexible \: performances = 9 - 1 = 8 \\  \\ c( \gamma ) = 8P8 \times 1 \\ c( \gamma ) = 8! \\ c( \gamma ) = 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 \\ c( \gamma ) = 40320 \: ways

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