Final answer:
The digit 9 in 290,357 represents 90,000, as it is in the ten thousand's place.
Step-by-step explanation:
In the number 290,357, the value of the digit 9 is in the ten thousand's place. This means that the 9 actually represents 90,000. Each position in a number has a unique place value, which determines what that digit is worth. To compute the value, you multiply the digit by the power of ten that corresponds to its place. In this case, since 9 is in the ten thousand's place, we multiply 9 by 10,000 (9 × 10,000) which equals 90,000. Therefore, the value of the digit 9 in 290,357 is 90,000.