Expanded Notation of 21,640,011 = (2 x 107) + (1 x 106) + (6 x 105) + (4 x 104) + (0 x 103) + (0 x 102) + (1 x 101) + (1 x 100).
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70,410= (7x10,000)+(4x100)+(1x10) 70.410= (7x10)+(4x.1)+(1x.01) wasn't sure which number it is :)
700+7
50000 is a whole number
93000000 is, itself a whole number so you would write it exactly as in the question.
9000 + 300 + 80 + 7