so we do simple addition and get 81,900,000 if you mean simplest form as in scientific notation then scientfic notation means (a number between 0 and 10)times 10^xpower so
8.19 times 10^7 or on online test 8.19e+07
(1x 10^{6) )(8.09x 1 0 7 )
The sum of 1,000,000 and 80,900,000 is 81,900,000. In scientific notation, this can be expressed as 8.19 × 10^7.
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