Thursday, March 9, 2017

9th grade: Scientific Notation Online Practices

Click on this link to practice scientific notation. Each time you go to the web page, it generates a new quiz.

http://janus.astro.umd.edu/cgi-bin/astro/scinote.pl

Click on this link to verify your answers when you convert from decimal to scientific notation or viceversa:

http://www.rapidtables.com/convert/number/scientific-notation-converter.htm

9TH GRADE VIDEO: Convert from Standard to Scientific Notation

Decimal marker: For documents in the English language a point is usual.
When a number has many digits: The groups of three digits should be separated only by a (thin) space; neither a point nor a comma should be used.
To Change from Standard Form to Scientific Notation

If the point moves to the left, the exponent is positive.
If the point moves to the right, the exponent is negative.

9TH GRADE VIDEO: Convert from Scientific Notation to Standard Form

Decimal marker: For documents in the English language a point is usual.
When a number has many digits: The groups of three digits should be separated only by a (thin) space; neither a point nor a comma should be used.
To Change from Scientific Notation to Standard Form
If the exponent is positive, move the point to the right.
If the exponent is negative, move the point to the left.