savannahmaddux
savannahmaddux
09-06-2016
Mathematics
contestada
Evaluate 7!/5!2!
choices
1
21
42
Respuesta :
Panoyin
Panoyin
09-06-2016
[tex]\frac{7!}{5!2!} = \frac{7 * 6 * 5 * 4 * 3 * 2 * 1}{5 * 4 * 3 * 2 * 1 * 2 * 1} = \frac{7 * 6}{2 * 1} = \frac{42}{2} = 21[/tex]
The answer is B.
Answer Link
rainepowell504
rainepowell504
27-05-2019
The correct answer is
B. 21
Answer Link
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