Answer: 12,620,256
Step-by-step explanation:
Given: The camera shop socks eight different types of batteries and there re at least 31 batteries of each type.
Here we want to select r= 31 batteries from n= 8 kinds of batteries, then formula we use to find number of ways is 

Hence, the number of ways can a total inventory of 31 batteries be distributed among the eight different types = 12,620,256
One milion is 1000 thousand or 1,000,000
so million:one is 1,000,000:1
14.08 the 8 is 8 hundredths
14 8/100
Step-by-step explanation:
$103.23
$100
$45.34
+_____
=248.57