\(x \times x^{3}\)

\(x^{4}\)

Explanation

If two powers have the same base, they can be multiplied by keeping the base and adding the exponents together. In this case \(x \times x^{3}=x^{1} \times x^{3}={ x}^{1+3}=x^{4}\)

Visit our website for other ASVAB topics now!