They are two numbers separated by a space. Since there is no binary operation given, it is assumed to be multiplication. (ab is usually taken to stand for a*b)
The answer is 8.8*1017 or 880 quadrillion
440000000 = 440,000,000
It is: 4.4*108
2000000000 - 10000000 = 1990000000
2000000000 2000000000
2000000000 x 37.16 = 74,320,000,000
2000000000
Manchester city have over 2000000000 to spend Manchester city have over 2000000000 to spend
2000000000
25000
44721.36
8000000
10000000