Clervoyantyvonne
22.04.2020 •
Mathematics
Using the digits 3,4,5,6,7,8, and 9. how many 7-digit numbers can be constructed if the number
must begin with an odd digit and digits may not be repeated?
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Ответ:
Radius = Half the diameter
38 / 2 = 19
A = 3.14 * 19^2
A = 3.14 * 361
A = 1133.54