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9. Which of the following are prime factorisation? (a) 35 - 5 x 7(b) 54 - 2 x3 x 9(c) 114 = 2 x 3 x 19(d) 124 = 2 x 2 x 31(e) 180 = 2 x 2 x 3 x 15 (0) 144 - 2 x 2 x 4 × 3× 3​

Answer»

Step-by-step EXPLANATION:(a) 35 - 5 X 7



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