Answer:
1 thousand i think hope this helps!
Step-by-step explanation:
The answer that you’re looking for is B & D
Answer:
1st one
Step-by-step explanation:
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>