Tolong jawabbb,berapa isinya?

#F

(c) 9ⁿ = 3⁸ → (3)²ⁿ = (3)⁸ → 2n = 8 → n = 4

(d) 5³ x 25 = 5ⁿ → 5³ x 5² = 5ⁿ → 5³⁺² = 5ⁿ → 5⁵ = 5ⁿ → n= 5