Usually less than 0.05 is considered acceptable. That can vary depending on the situation.
Answering sufficient questions correctly is usually considered acceptable.
A taboo act is something that was once considered to be forbidden that relates to a custom or activity. It is not usually socially acceptable.
While there are certain identity cards that some Palestinians carry, Palestinian is still not considered a proper legal citizenship. Palestinians are usually considered to be a stateless people.
It depends to the acceptable risk level in your company. Usually AFR=10 is acceptable in most companies.
A six-pack in volleyball usually entails hitting the ball into another persons abdomen, thus, the six-pack.
It depends on who you are tipping and the reason for the tip. A pound for a small service is quite acceptable. Tips in a restaurant are usually in the region of 10% of the bill.
Usually a persons signature
A person that is financially supported by another person, usually a parent or guardian. A person must pay for over 50% of another persons living expenses, in order for that person to be claimed as a dependent.
No, it not acceptable to them.
You can have an approximation of the root using the calculator (doing it by hand is another story). However, keeping the number as a square root and simplifying the root is usually acceptable.
It means someone special, or a loved person. This pet name is generally given to only one person from another persons view; usually to a girl.