10 rows because that's right
16000 tickets have been sold.
Glad I could help :)
Answer:
Step-by-step explanation:
hmmmmmmmmmm
Answer:
10000 different numbers
Step-by-step explanation:
The numbers will have the form 1XXXX5, in this case, the order is important because 123465 is a different number to 123645. To know the total of differents decimal numbers, use the formula of permutation with repetition:

is the number of options,
, and
the number of times you have to place a digit,
.
