How do you write $7,840,000,000$ in scientific notation?

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Answer 1 · 2016-02-17T18:10:30

$= 7.84 xx 10^9$

$7,840,000,000$

$= 7,84color(blue)(0,000,000$

$= 784xx color(blue)(10,000,000$

$= 784xx color(blue)(10^7$

$= 7.84 xx 100xx color(blue)(10^7$

$= 7.84 xx 10^2xx color(blue)(10^7$

$= 7.84 xx 10^9$

How do you write 7,840,000,0007,840,000,000 in scientific notation?