Answer:
n 3 is the correct answer okay
0 19 50 24 that’s as far as I could get
Regions numbered 1 thru 9
P(1st number is a 3) = 1/9
P(2nd number is a 7) = 1/9
P(both) = 1/9 * 1/9 = 1/81 <=
16a^3b = 2^4a^3b
24ab^2 = 2^3*3ab^2
lcm = 2^4*3*a^3b^2 = 48a^3b^2 so choice A) is right sure