Breaking Bad actor Aaron Paul asked Siri to divide zero by zero, presumably to see if he could break Siri with an indeterminate mathematical equation, but Siri's response was just perfect. Imagine that you have zero cookies and you split them evenly among zero friends.
There is no expiration date for cashier's checks. If a cashier's check isn't cashed in a timely manner, considered six months by most banks, it can be considered void or invalid. Continue Reading.
There is also an option to notate how long a check will be valid for. Some checks will have a statement that reads that it is only valid if presented within 90 days. This would be shorter than the standard time frame, but most banks would honor the written statement and refuse to pay the check if presented.