I Scientific Notation

1) Introduction

Look at the data table showing a series of measurements written in decimal notation and scientific notation.

Decimal or Standard Notation	Scientific Notation
153	1.53 x 10^2
.00008889	8.889 x 10^-5
12,000,000,000	1.2 x 10^10
.123489	1.23489 x 10^-1
899,999,876,000,000,000,000	8.99999876 x10^20
.000000000000000000000000003	3 x 10^-27
.001	10^-3 or 1 x 10^-3

Work with your table group. Write a description of why it may be useful to write a measurement in scientific notation.

What is the purpose of the exponent in scientific notation?

Fill in the blank. When writing a measurement in scientific notation the first part of the measure is always written as a decimal number that is greater than or equal to __________ and smaller than___________.

Now you try some with your group. Fill in the table

Decimal or Standard Notation	Scientific Notation
849
.00028
	8.35 x 10^5
	7.8 x 10^-8