If an=3an−1a_n = 3a_{n-1}an=3an−1 and a0=10a_0 = 10a0=10, what is the explicit formula for ana_nan?
an=10+3na_n = 10 + 3nan=10+3n
an=10⋅3na_n = 10 \cdot 3^nan=10⋅3n
an=3⋅10na_n = 3 \cdot 10^nan=3⋅10n
an=3n+10a_n = 3^n + 10an=3n+10