With or without powers of 10 - both are correct:
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Expanded Notation of 822,150,000 = (8 x 100000000) + (2 x 10000000) + (2 x 1000000) + (1 x 100000) + (5 x 10000) + (0 x 1000) + (0 x 100) + (0 x 10) + (0 x 1).
It is: 1.2*1010
691620
The correct answer is "expanded form".
In expanded form 5.68 is 5 + 0.6 + 0.08