To determine the decimal place of the digit "8" in the mixed decimal 1.258, let's break it down step by step.
1. Identify the mixed decimal: We have 1.258.
2. Isolate the fractional part: The fractional part of the mixed decimal 1.258 is 0.258 (we ignore the whole number part, which is 1, for now).
3. Identify the positions of the digits in the fractional part:
- The first digit after the decimal point is 2, which is in the "Tenths" place.
- The second digit after the decimal point is 5, which is in the "Hundredths" place.
- The third digit after the decimal point is 8, which is in the "Thousandths" place.
4. Conclude the decimal place for "8":
- Since the digit "8" is the third digit after the decimal point, it is in the "Thousandths" place.
Therefore, the decimal place for "8" in the mixed decimal 1.258 is Thousandths.