Answer for points 3(3x3)(45x6)(45x7)(56x5)(5x5)x0
2 answers:
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One of the product rules for exponents was used.
Or, you can consider that the definition of an exponent and the associative and commutative properties of multiplication were used.
Or, you can consider that the definition of an exponent and the associative and commutative properties of multiplication were used.