Question

1. $4x^2 \bullet 5x^3$

Explanation:

Step1: Multiply coefficients

$4 \times 5 = 20$

Step2: Add exponents of x

$x^2 \times x^3 = x^{2+3} = x^5$

Step3: Combine results

$20 \times x^5 = 20x^5$

Answer:

$20x^5$