Bernardo and Ogechi were asked to find an explicit formula for the sequence $1\,,\,8\,,\,64\,,\,512,...$. Bernardo said the formula is $h(n)=1\cdot8^{\large{n}}$, and Ogechi said the formula is $h(n)=8\cdot1^{\large{n}}$. **Which one of them is right?** [[☃ radio 1]]