Posted by Chris on Wednesday, December 12, 2012 at 9:42pm.
Express 18 million in scientific notation.
I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.

Math  8th grade  Reiny, Thursday, December 13, 2012 at 12:45am
18 million
= 18,000,000
= 1.8 x 10^7
You were right, whoever marked it wrong, is wrong!

Math  8th grade  Anil, Friday, December 14, 2012 at 9:37am
65 days
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