Work Shown:
s = length of each side
s = kp^3
A = area of square
A = s^2
A = s*s
A = (kp^3)*(kp^3)
A = (k*k)*(p^3*p^3)
A = k^2*p^6
To multiply the terms, you add the exponents. Think of k as k^1, so k*k = k^1*k^1 = k^(1+1) = k^2
