in the number 10,0 ab , a and b represent the tens and units digits , respectively . if 11,0 ab is divisible by 55 , what is the greatest possible value of b × a ?
n0 = 100.0
n1 = 110.0
n2 = 55.0
t0 = n1 / 10.0
t1 = n2 / t0
t2 = t1 - 2.0
answer = t1 * t2
print(answer)