A certain country's postal service currently uses 6-digit zip codes in most areas. how many zip codes are possible if there ar

Question

3 years ago

15

e no restrictions on the digits used? how many would be possible if the first number could not be 0?

1 answer:

almond37 [142] · Answer 1 · 2022-06-20T01:38:13+03:00

6 0

If any digit can be 0 to 9 with no restrictions, the number of possible zip codes is ...
10×10×10×10×10×10 = 10⁶ = 1,000,000.

A certain​ country's postal service currently uses 6​-digit zip codes in most areas. how many zip codes are possible if there ar