Answer:
a^8
Step-by-step explanation:
[tex]a^3 \cdot a^5\\\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\\a^3a^5=a^{3+5}\\\\=a^8[/tex]
a3 * a5 =
a * 3 * a * 5 =
a² * 15 =
15a²
