386.57
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It is 386.56
Most schools teach you to always round 5 up, so the answer would be 386.57 However, doing so is inappropriate because it introduces an upward bias. The IEEE (Institute of Electronic and Electrical Engineers) standard 754 is to round 5 up or down so that the new last digit is even. See link for more: //en.wikipedia.org/wiki/Rounding#Round_half_to_even
It is already to the nearest hundredth as 9.69
30.45
47.12
18.84
4.35 is the answer rounded to the nearest hundredth