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252 can be expressed as a product of primes as:

  • A.\(2 \times 2  \times 3  \times 3  \times 7\)
  • B.\(2  \times 2  \times 2  \times 3  \times 7\)
  • C.\(3  \times 3  \times 3  \times 3  \times 7\)
  • D.\(2  \times 3  \times 3  \times 3  \times 7\)

Answer: A

Divide out the primes in turn.

\[ 252 = 2 \times 126 = 2 \times 2 \times 63 = 2^{2} \times 3^{2} \times 7 \]

Checking: \( 4 \times 9 \times 7 = 252 \).

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