\\

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

3w³ · w² =  3 · w³ · w²

= 3 · w^{3 + 2}

= 3 · w⁵                     (Add exponents: 3 + 2 = 5)

The product of  3w³ · w² is 3w⁵.