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Factorise the following completely: (4 marks)

a)a) 81

Sagot :

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Answer:

Learn the factors of 92, and the factors of 93, and the factors of 94.All three of these numbers are composite numbers
Factors of 81: 1, 3, 9, 27, 81. Prime factorization: 81 = 3 x 3 x 3 x 3 which can also be written 3⁴.
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