Final answer:
The digit '6' in Max’s swimming time of 31.26 seconds represents a hundredths of a second.
Step-by-step explanation:
The value of the digit '6' in Max's time is very specific as it pertains to the measurement of time. In the number 31.26 seconds, we are dealing with a decimal number where each place has a specific value when it comes to units of time. For the number after the decimal point, the first digit represents the tenths of a second, and the second digit represents the hundredths of a second. Therefore, the correct answer to the question is:
b. 6 represents hundredths of a second.