Question

1. $8n^4 \cdot 4n^8$

Explanation:

Step1: Multiply the coefficients

$8 \times 4 = 32$

Step2: Add exponents of $n$

$n^{4+8} = n^{12}$

Step3: Combine the results

$32 \times n^{12}$

Answer:

$32n^{12}$