Write the following numbers in scientific notation.
1) 986.72 _______________________________
2) 0.000000000218 ___________________
3) 420,815 ______________________________
4) 43,200,000___________________________
5) 0.07956______________________________
6) 3,825 _________________________________
7) 0.000234_____________________________
8) 0.184 _________________________________
9) 62,159 _______________________________
10)0.0097
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