Yes, it is.
no, it is no. the number 13 is a real number. It is not imaginary.
There are two roots, both real: -13 and +13
yes
no, your teacher is lying to you, 13 is a false number, your teacher is probably laughing at you behind your back
When counting things, it's customarily recited immediately after ' 12 '.
There are infinitely many such numbers. One such is 181.81828384881882883884...
12 years old and his real number is (301)629-0968 this is the real number im there manger kisha trust me call it
Its the thirteenth number. It's abosolute value is 13. It's opposite is -13. If you add 87 to it, it equals 100. It's before 14. It's after 12. Its a natural number. 13x2 is 26. It's a real number. Its rational (it can be turned into a fraction). (Just for fun.) It is supposedly an unlucky number.
There are infinitely many real numbers between √13 (≈ 3.605) and √14 (≈ 3.74). Examples include: 3.6051 3.61 3.65 3.7 3.739
It's not a real number, it is an expression that means somewhere between 13 and 19 of whatever you are discussing.
The square of a real number is always a real number.
A number is divisible by 13 if it is a multiple of 13. In other words, 13 times a number results in a big number that is divisible by 13.