The track team ran a 100-meter sprint. Their times are shown in the table. 9.8 10.4 12.19.4 10.1 10.0 11.1
10.910.9 9.3 12.0 9.6 9.9 12.5
Rounded to the nearest tenth of a second, what is the mean 100-meter sprint time of the team?

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3