What is the 5th term in the expansion of * 1 point 10 -210x10 210x10 O Option 1 O Option 2 -252x5 252x5 O Option 3 O Option 4If n is any whole number, what is the sum of the numerical coefficients in 1 point the expansion * (x + y)"? O 1 2" 2" +1 O Option 3 O Option 4Which of the following are true about the expansion of * 1 point (x + y) 8? I. The sum of the powers of x and y in any term is 8. II. The number of terms in the expansion is 9. III. The coefficient of x y is 56. IV. The sum of the numerical coefficients 28. O 1,II & III O I & II only 1, 1I, III & IV