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Introduction to Scientific Notation

Provides a basic overview for writing numbers in scientific notation and standard form.
by

Deborah Dyer

on 20 November 2014

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Transcript of Introduction to Scientific Notation

width of 1 grain of sand: .00005 m
SCIENTIFIC NOTATION
Scientific notation is like shorthand for writing numbers. Scientists use it when they want to write numbers that are either...
VERY BIG
Diameter of the sun: 1,391,000,000 meters
Or...
very small
About Scientific Notation
When you have numbers with a whole lot of zeros, you can save time (and space!) by using scientific notation. When you use scientific notation you can simplify all those zeros by writing the number as the product of a number and a power of 10.
Writing Numbers in Scientific Notation
What is Scientific Notation?
The diameter of the sun is 1,391,000,000 meters.

That's 1.391 x 10^9 in scientific notation!
1) N is called the coefficient. It is always a number between 1 and 10 (but not equal to 10).
2) a is always an integer. Positive exponents are for "larger" numbers, negative exponents are for "smaller" numbers!
How to Write Numbers in Scientific Notation
Write in scientific notation.
YOU TRY IT!
124,000
1,350,000
.003
.00046
Full transcript