Question

820 ÷ 85 =

Explanation:

Step1: Apply exponent - division rule

When dividing two numbers with the same base \(a\) (\(a
eq0\)), \(a^m\div a^n=a^{m - n}\). Here \(a = 8\), \(m = 20\), and \(n = 5\). So \(8^{20}\div8^{5}=8^{20 - 5}\).
\[8^{20-5}=8^{15}\]

Answer:

\(8^{15}\)