Salutations!
What should be included in the closing portion of your letter or e-mail?
Your contact information should be included in the closing portion of your letter or e-mail. In a business, or a formal letter, you should add the address of the information of the recipient.
Hope I helped :D
Zero has one square root which is 0. Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can't be written as the quotient of two integers.
A primatologist studies the social and family lives of chimpanzees, like Jane Goodall.
