Respuesta :

ferrybukantoro

Answer:

32 × 10^(10k)

Step-by-step explanation:

y = 16 x 10^8k

y^5/4 = ⁴√y^5

= ⁴√16^5 x 10^40k

= ⁴√2^20 x 10^40k

= 2^5 × 10^10k

= 32 x 10^(10k)