Question

$407^{8} cdot 407^{3}$

Explanation:

Step1: Apply exponent product rule

When multiplying terms with the same base, add exponents: $a^m \cdot a^n = a^{m+n}$

Step2: Substitute values and calculate

$407^{8+3} = 407^{11}$

Answer:

$407^{11}$