Answer:To compute the average of 2.5 seconds, 2.10 seconds, and 3.00 seconds, follow these steps: 1. Sum the values: 2.5 + 2.10 + 3.00 = 7.60 seconds2. Divide by the number of values: 7.60 seconds / 3 = 2.5333... seconds Therefore, the average is approximately 2.53 seconds.