Final answer:
The digit in the billions place for the number 80,236,574,129 is 0, which is not represented in the given options. The closest given option is 1, but that is actually in the tens of billions place.
Step-by-step explanation:
The digit in the billions place for the number 80,236,574,129 can be found by looking at the place values of each digit from right to left. Starting from the right, the first place is the units, then tens, hundreds, thousands, ten thousands, hundred thousands, millions, ten millions, hundred millions, and then we reach the billions place. In this case, the digit in the billions place is 0, meaning it is not actually represented in the options provided. Therefore, none of the given options (a) 1, (b) 2, (c) 3, or (d) 4 is correct. If we must choose from the provided options, the closest answer would be option (a) 1, which is the tens of billions place digit.