Unit 5- Scientific Notation

SUMMARY OF KNOWLEDGE

The purpose of scientific natation is make numbers easier to work with.

EX. 12,000,000,000=1.2*10^9
with scientific notation we can represent and display really large and small numbers easier

KEY VOCABULARY

Scientific Notation= a short way to write very large or very small numbers.

Standard Notation= the most common way of writing numbers.

EX. 254= 2 hundreds 5 tens 4 ones

TASK ANALYSIS

Scientific-Standard

look at the exponent, move the decimal point the number of the exponent to the right but if the exponent is negative move it to the left and fill the space with zeros.

Standard-Scientific

make the number smaller than 10 but bigger than 1 and put the number of zeros on the exponent and *10 before the exponent

EXAMPLES
1. Standard-Scientific

2,500,000=2.5*10^5

2. Scientific-Standard

2.5*10^5= 2,5+0+0+0+0+0= 2,500,000

3. Negative Scientific to Standard

2.5*10^-5= 0+0+0+0+2.5= .000025

Scientific Notation Quiz » Create A Quiz @ProProfs

Useful Links

http://www.math.toronto.edu/mathnet/plain/questionCorner/scinot.html


http://www.mathace.net/misc/scientific-notation

http://science.widener.edu/svb/tutorial/scinot.html