Answer:
C and D
Step-by-step explanation:
5¹²·5⁸
= 5⁽¹²⁺⁸⁾
= 5²⁰
we simply have to select the answers which are equivalent to 5²⁰
Consider choice c:
(5³ 5² )⁴
= (5⁽³⁺²⁾)⁴
= (5⁵)⁴
= 5⁽⁵⁾⁽⁴⁾ ....(note.. this is identical to choice D, hence D is an answer)
=5²⁰ (C is also an answer)
