To convert 1.9 to percent multiply by 100: 1.9 × 100 = 190 %
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percentage notation of 0.28 = 28%= 0.28 * 100%= 28%
20%
It is: 2.1*10^19 in scientific notation
19 trillion can be written in scientific notation as 1.9 x 10^13.
0.025 in percentage = 2.5%