# Using numbers in writing

However, not every student knows the rules that govern the use of numbers in academic documents. Unfortunately, not many people agree on these rules either! It's the Speed of light! Do you recognize this number, 0. This is the mass of a dust particle! Scientists have developed a shorter method to express very large numbers. This method is called scientific notation. Scientific Notation is based on powers of the base number The number ,, in scientific notation is written as: The first number 1.

It must be greater than or equal to 1 and less than The second number is called the base. It must always be 10 in scientific notation.

The base number 10 is always written in exponent form. In the number 1. To write a number in scientific notation: Put the decimal after the first digit and drop the zeroes. In the number ,, The coefficient will be 1. In ,, there are 11 places. Therefore we write ,, as: Exponents are often expressed using other notations.

The number ,, can also be written as: Numbers less smaller than 1 will have a negative exponent. A millionth of a second is: More Activities Scientific Notation Generator -- Problem Generator Online assessment -- scientific notation click here multiplication and division of scientific notation click here Word Problems using Scientific Notation.Writing Numbers.

Except for a few basic rules, spelling out numbers vs. using figures (also called numerals) is largely a matter of writers' preference. Again, consistency is the key. Policies and philosophies vary from medium to medium. There are rules for writing numbers in fiction. Learn when to use numerals and when to write out numbers. Learn the conventions for using numbers in novels.

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Free Math Worksheets About Counting and Writing Numbers | TLSBooks.