(17)3.5 × (17)? = 178

(17)^3.5 × (17)^? = 17⁸

A 2.29

B 2.75

C 4.25

D 4.5

Correct Answer: Option D

(17)^3.5 × (17)^? = 17⁸
⇒ 17^{3.5 + ?} = 17⁸⇒ 3.5 + ? = 8
⇒ ? = 8 - 3.5
⇒ ? = 4.5