It is 392.
Most schools teach you to always round 5 up (so the answer would be xx.x) but, while this is a simple rule to teach, it is not appropriate. Under this rule:
• if the following digit is 0 you don't round;
• if the following digit is 1, 2, 3 or 4 you round down; and
• if the following digit is 5, 6, 7, 8 or 9 you round up.
As a result you are more likely to be rounding up than rounding down and that introduces an upward bias into your calculations.
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
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The answer can be another fraction and a whole number or it can be a whole number.
A product of a given whole number and another whole number = whole numbers
a whole number
1.5 is not a whole number and cannot be converted to a whole number.
The nearest whole number to 200 is 200 itself. In mathematics, when determining the nearest whole number, you look at the whole number that is closest to the given number. Since 200 is already a whole number, it is the nearest whole number to itself.