<span>If a user name can have seven letters (with no distinction between upper and lower case), and if a letter can be repeated, then the maximum number of names is 26x26x26x26x26x26x26, or 8,031,810,176. That is, slightly more than eight billion names are possible.</span>
Answer:
What's the correct position to put your hands on the keyboard?
Explanation:
<span>B an idea for an invention that your dad mentioned briefly but did not write down</span>