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What is the product of \((5x^3y)(2xy^2)\)?

Answer and explanation

Correct answer: \(10x^4y^3\)

Multiply the numerical coefficients to get \(5\times2=10\). For like bases, add the exponents: \(x^{3+1}=x^4\) and \(y^{1+2}=y^3\). Therefore, the product is \(10x^4y^3\). Option C omits one power of \(x\), while option D combines the exponents incorrectly. Exam tip: when multiplying monomials, multiply the coefficients and add the exponents of like variables.

Related tags

PolynomialsMonomial MultiplicationLaws Of ExponentsAlgebraic ExpressionsOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq

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