The answer depends on the extent of rounding. To the nearest whole number, it is 12400. To the nearest million, it is zero.
The answer depends on the degree of rounding.
124.00
12000
12,400
12400
10000
1.24 × 104
It depends on rounded up to what degree. Rounded up to the nearest ten, it is 0.
1.24*104 = 12400
12400
12400
12400
12400
10000
12400
You would round up: 12400
Also 12400
12400 is already an integer.
12400
8700
The number 12400 is "twelve thousand four hundred."