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percentage = 9.5217 x 10-7 or 0.00000095217%

% rate:

= 21.9/2300000000 * 100%

= 9.5217 x 10-9 * 100%

= 9.5217 x 10-7%

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11y ago
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Q: What percent is 21.9 of 2.3 billion?
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