Answer:
4x^4y + 20x^2y^2 - 28x^3y
Step-by-step explanation:
4xy(x^3 + 5xy - 7x^2)
= 4xyx^3 + 4xy * 5xy - 4xy * 7x^2
= 4x^2y + 4xy * 5xy - 4xy * 7x^2
= 4x^4y + 20x^2y^2 - 4xy * 7x^2
= 4x^4y + 20x^2y^2 - 28x^3y
Solution:
Given the expression below

Applying the binomial theorem formula

For the fifth term, i.e

Hence, the fifth terms is
Answer:
256
Step-by-step explanation:
3200 x 0.08 = 256