The simple form of the following expanded form of number is
$$9.099\times10^{4}+2\times10^{3}+1\times10^{1}+5\times10^{0}$$
9.099 * $$ 10 ^ 4 $$ = 90990
2 * $$ 10 ^3 $$ = 2000
1 * $$ 10 ^ 1 $$ = 10
5 * $$ 10 ^ 0 $$ = 5
Total sum = 93005.
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