Q:

I was told that the answer to this is -7 but I don't understand how to get there. 3125=(-1-18t)^5/3

Accepted Solution

A:
Answer:The answer to your question is: - 7Step-by-step explanation:                                             3125 = (- 1  - 18t) ⁵/³                                             (3125)³ = ( -1 - 18t)⁵                                             (3125)³/⁵ = - 1 - 18t                                             125 = - 1 - 18t                                             125 + 1 = - 18t                                             126 = - 18t                                             t = 126 / -18                                             t = -73125³ = 3.0518 x 10¹⁰[tex]\sqrt[5]{3.0518 x 10¹⁰}[/tex] = 125