1.
(a) 24.3 billion = 24.3 x 1,000,000,000 = 24,300,000,000
(b) 8,270,000,000,000 = 8.27 x 1,000,000,000,000 = 8.27 trillions
(c) 9,230 thousands = 9,230 x 1000 = 9,230,000
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