7 yes is a function
8 is not a function
Answer:
This app is meant for 1 question at a time
Step-by-step explanation:
Not trying to be mean just saying, here's a funny cat picture
In the first 10 -> 10 - 9 = 1 (contain a 3).
In the first 100 -> 100 - 9 * 9 = 19 (contain a 3).
In the first 10^n ->
10^n - 9^n (contain a 3).
<u>The answer is 3.439 numbers contain a 3 in the first 10.000</u>
Answer:
D
Step-by-step explanation: