3 years ago

3-6x (34 divided by3º)2

Mathematics

1 answer:

lora16 [44]3 years ago

7 0

Answer:

3^-6(81)^2=3^-6(6561)=9 which is 3^2

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3 years ago

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Mekhanik [1.2K]

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Step-by-step explanation:

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$Total Combinations - 8C4,\\8C4 = 8! / 4! * ( 8 - 4 )!,\\8 * 7 * 6 * 5 / 4!,\\\\Total Combinations = 70,\\\\Combinations of Dance Classes - 5C4,\\5C4 = 5! / 4! * ( 5 - 4 )!,\\5 * 4 * 3 * 2 * 1 / 4 * 3 * 2 * 1,\\\\Dance Classes = 5,\\\\Probability - 5 / 70 = 0.0714,\\Conclusion; Probability = ( About ) 0.0714$