4 goes in the blank.
In math, if any number like that is 5 or higher, it rounds to the nearest tenth.
so for example, 4 would round down to 0, and 5 would round up to 10.
So with the 4, it Makes 149.6k, which rounds down to 100,000.
The answer is ten if I'm correct
2:12
it's Clara because if you simplify it's 6:1 flip sides