2) (۵)¹⁰-

2) $$(a^4)^{n+10} \cdot a^4 = a^{63}$$ $$a^{4(n+10)+4} = a^{63}$$ $$4(n+10)+4 = 63$$ $$4n+40+4 = 63$$ $$4n+44 = 63$$ $$4n = 63-44$$ $$4n = 19$$ $$n = \frac{19}{4}$$

Ответ: $$n = \frac{19}{4}$$