Which expression is equivalent to 4x^3 3x^2?

SAT Equivalent expressions Practice Question 4 (Easy)

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Which expression is equivalent to $4x^3 \cdot 3x^2$ ?

$7x^5$

$12x^6$

$7x^6$

$12x^5$

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Answer: D

Multiply the coefficients: $4 \cdot 3 = 12$ . When multiplying powers with the same base, add the exponents: $x^3 \cdot x^2 = x^5$ . The product is $12x^5$ .

Choice B multiplies the exponents instead of adding them.

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