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What is the product of \(5x^4 \cdot 2x^3\)?

Answer and explanation

Correct answer: \(10x^7\)

Multiplying the coefficients gives \(5 \times 2=10\). For the like base \(x\), the law of exponents gives \(x^4 \cdot x^3=x^{4+3}=x^7\). Therefore, the product is \(10x^7\). Option C is incorrect because the exponents are added, not multiplied, when powers with the same base are multiplied. Exam tip: multiply the coefficients and add the exponents of like bases.

Related tags

PolynomialsMonomial MultiplicationLaws Of ExponentsCoefficient MultiplicationOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq

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