Question

1. $10x^{4} cdot 4x^{4} cdot 5x^{6}$

Explanation:

Step1: Multiply the coefficients

$10 \times 4 \times 5 = 200$

Step2: Combine like variable terms

$x^4 \cdot x^4 \cdot x^6 = x^{4+4+6} = x^{14}$

Step3: Multiply coefficient and variable

$200 \times x^{14}$

Answer:

$200x^{14}$