Use the Product Rule to Simplify the Expression $\left( - 9 x ^ { 7 } y \right) \left( 5 x ^ { 2 } y ^ { 2 } \right)$

question 27

Multiple Choice

Use the product rule to simplify the expression.
- $\left( - 9 x ^ { 7 } y \right) \left( 5 x ^ { 2 } y ^ { 2 } \right)$

• A) \(- 45 x ^ { 9 } y ^ { 3 }\)
• B) \(45 x ^ { 9 } y ^ { 2 }\)
• C) \(45 x ^ { 9 } y ^ { 3 }\)
• D) \(- 45 x ^ { 9 } y ^ { 2 }\)

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