Several things come in groups of 100, including a century in terms of years, 100 cents in a dollar, 100 yards in a football field, and 100 senators in the United States Senate. In mathematics, 100 is a square number and the sum of the first nine prime numbers. In computing, 100 is often used as a base for percentages and ratings.
Pennies
a 100 eyeballs ,100 germs ,100 stinkbomb,100 blood
Soda comes in groups of 6
states
dogs
what comes in groups of 12
Arms, legs.
Inches in a foot
gaggle of geese
Case of beer
scorpion legs
They are the 17 times tables