The expression can be simplified as:
k^3(k7/5)^-5
= k^(3+-5) * (7/5)^-5
(Collecting the powers of k at one side and the constants at other side)
= k^-2 * (5/7)^5
(Solving thr integer powers)
= k^-2 * (3125/16807)
71.8251 is what I got on my calculator
Answer:
We need more information where is the document?
Step-by-step explanation:
The perimeter of a rectangle is given by (l is length, w is width):

Plug in the values:

So, the perimeter of the rectangle is 32ft.
Ratio of men to women: 21:28, also simplified as 3:4
Ratio of women to the total number of people: 28:49 which is also 4:7