Question

1. $7x^{7} \cdot 5x^{5}$

Explanation:

Step1: Multiply the coefficients

$7 \times 5 = 35$

Step2: Add the exponents of $x$

$x^7 \cdot x^5 = x^{7+5} = x^{12}$

Step3: Combine the results

Multiply the coefficient product and the variable term.

Answer:

$35x^{12}$