Question

There are 100 or 102 pennies in a dollar. How many pennies are there in a million (106) dollars? Write your answer using exponents.

Answer 1

10^8 pennies in a million dollars.

Explanation:

I will work with the accepted number of pennies in a dollar: 100.

Then the number of pennies in a million dollars is

p = 100*10^6, or 1*10^8, or just 10^8.