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### MEAP Preparation - Grade 7 Mathematics2.69 Multiplication of Monomials - II

 Example: 3x * 7y = _____ ? Solution: 3x * 7y = (3x * 7)*y.....(Associative Law) = [(3*x)*7]*y = [3*(x*7)]*y.....(Associative Law) = [3*(7*x)]*y.....(Commutative Law) = [(3*7)*x]*y.....(Associative Law) = [21*x]*y = 21*(x*y).....(Associative Law) = 21xy Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
 Q 1: 7x * 9y = _____ ?Answer: Q 2: 17x * 5y = _____ ?Answer: Q 3: 15x * 5y = _____ ?Answer: Q 4: 8x * 7y = _____ ?Answer: Q 5: 9x * 9y = _____ ?Answer: Q 6: 9x * 5y = _____ ?Answer: Q 7: 4x * 15y = _____ ?Answer: Q 8: 9x * 15y = _____ ?Answer: Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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