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7NS.1.1 Read, write, and compare rational numbers in scientific notation (positive and negative powers of 10) with approximate numbers using scientific notation.

Note: If you watch Bruce's VoiceThread you'll notice that the ink keeps disappearing. 

To prevent this you have to click on the center circle in the color wheel one or more times.

Note: If you watch Bruce's VoiceThread you'll notice that the ink keeps disappearing.  To prevent this you have to click on the center circle in the color wheel one or more times.