Since base is common, apply the product of powers property: a^m · aⁿ = a^{m + n}.

8⁵ · 8¹ = 2^{5 + 1}

= 8⁶                           (Add exponents: 5 + 1 = 6)

Product of  8⁵ · 8¹ is 8⁶.