A small country had a population of
6.4
×
10
6
\displaystyle {6.4}\times{10}^{{6}}
6.4
×
10
6
in 1990. Since then, the original population has doubled, and an additional
7.5
×
10
7
\displaystyle {7.5}\times{10}^{{7}}
7.5
×
10
7
people have immigrated into the country. What is the population of the country now?
8.78
×
10
18
\displaystyle {8.78}\times{10}^{{18}}
8.78
×
10
18
8.78
×
10
7
\displaystyle {8.78}\times{10}^{{7}}
8.78
×
10
7
20.3
×
10
7
\displaystyle {20.3}\times{10}^{{7}}
20.3
×
10
7
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