7th grade math  Scientific Notation basics
posted by Delilah .
1.
The area of Greenland is 840,000 square miles. What is this number in scientific notation?
2.
What is this number in standard form?
5.75 x 10^9
3.
In a recent year the world production of wheat was about 5.2 x 10^8 metric tons. What is this number in standard notation?

I am not going to do many for you, so think out why my answers are as they are
a. 8.4 E5 where E means times 10 to the 5th power.
b. 5 750 000 000
c. 520,000,000 tons 
thanks!!! That really helped!!!

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