Hi my name is Asher carter I am here to tell you about how many pennies are in $100. If you're wondering how many pennies are in $100, the answer is 10,000. This is because there are 100 pennies in a dollar, and 100 dollars in $100. So, if you multiply 100 by 100, you'll get 10,000. This means that there are a lot of pennies in $100! You could use them to buy a lot of things, or save them up for a rainy day. Either way, it's good to know how many pennies are in $100.