Is $9.\overline{9} = 10$?
286
Is it true that $0.999999999\ldots=1$?
102657
If $f$ is continuous real function such that $f(11) = 10$ and $\forall x, f(x)f(f(x)) = 1$ then find $f(9)$
112147
Proving $9$ divides $n^3 + (n+1)^3 + (n+2)^3$
3560
In how many ways can $10$ letters be placed in $10$ addressed envelope such that exactly $9$ letters are in correct envelope?
44936
Combinatorics - How many numbers between 1 and 10000 are not squared or cubed?
1522
Is $\sqrt{64}$ considered $8$? or is it $8,-8$?
82085
Without solving the equation, show that all nine roots of $(𝑧 − 1)^{10} = 𝑧^{10}$ lie on the line $Re (𝑧) = \frac{1}{2}$
30172
Why is the order of $\mathbb{Z}[i]/\langle 3+i\rangle$ equal to 10?
140144
Can you find an element of order 10 in $\mathbb{Z}_{31}^{*}$
100565
Property of sup of a set of numbers
29099
Let consider a square $10$x$10$ and write in the every unit square the numbers from $1$ to $100$
82024
If $f(x)\cdot f(f(x)) = 1$ for all $x \in \mathbb{R},$ and if $f(10) = 9$ then find the value of $f(5)$
59788
Let T = {1000,1001...,9999}. How many numbers have at least one digit that is 0...
21903
What is the difference between [0-9]+ and [0-9]++?
153302
$9$ divides $n-r(n)$ where $r(n)$ is $n$ with its digits reversed
150841
How to read this mathematics value: 10^9
76925
Algebraic proof that if $a>0$ then $1+a^9 \leq \frac{1}{a}+a^{10} $