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>
I believe it’s
a = 4
b = -8
c = -3
The answer to the question
Answer:
y should be 5, when u solve for the angles u get 68+87+c=180, if c is y^2 then y is 5
Step-by-step explanation: