Answer:
V= 10a^5 - 30a^4 + 10a^3
Explanation:
V=l*w*h
l = 5a
w = 2a
h = (a^3 - 3a^2 + a)
we multiply all the terms:
V=l*w*h
V= 5a* 2*a* (a^3 - 3a^2 + a)
V = 10a^2 * (a^3 - 3a^2 + a)
V= (10a^2)*(a^3) - (10a^2)*(3a^2) + (10a^2)*a
V= 10a^5 - 30a^4 + 10a^3