What is the prime factorisation of 1936?, A) 2 × 2 × 2 × 2 × 11 × 11, B) 2 × 2 × 2 × 11 × 11, C) 2 × 2 × 11 × 11 × 11, D) 2 × 2 × 2 × 2 × 2 × 11 × 11, Which prime factors are already in pairs?, A) 2 only, B) 11 only, C) 2 and 11, D) None, To make 1936 a perfect square, should you:, A) Multiply by 2, B) Divide by 2, C) Multiply by 11, D) Divide by 11, What is the perfect square obtained after multiplying 1936 by the missing number?, A) 1936, B) 3872, C) 1936², D) 3844.

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