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Higher November 2021 Paper 2 Q17

EduqasHigherCurrent spec4 marksCombinations

17.

(a) How many 8-digit numbers can be made using the digits 2, 3, 4, 5, 6, 7, 8, 9 when each digit is used once? [2]
(b) How many 6-digit numbers which start with a prime number can be made using the digits 2, 3, 4, 5, 6, 7, 8, 9 when each digit may be used at most once? [2]
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