Lol lol lol lol
👍
Huh?
?
Lol
Okay
What is the units digit of 2¹²⁸³⁷²⁸¹?
Are you ignoring me?
....
How many natural numbers less than 100 are coprime to 20?
I don't know?
The number of natural numbers less than 100 that are coprime to 20
The digit in the units place of 2²³⁴
Thanks
Okay