Round the decimal number to the nearest one. 11.4:

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answer is A.

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Detailed Solution

[15]
Concept: The process of rounding off involves substituting the provided number with an approximation that is more exact, shorter, or simpler than the original number.
Let's discuss how to plot the number 11.4 on a number line.
Question Image

It is now evident from this number line that the only integral value that comes close to 11.4 is 11. Let's check for 12. Another number that might be questioned as being closer to 11.4 is 12.
12−11.4=0.6…………………. (1)
Now let’s check for 11.
11.4−11=0.4…………………. (2)
We can infer from equations (1) and (2) that the value of 0.40.6, or 11, is closer to the value of 11.4 than to the value of 12.
As a result, 11 will be the round off for 11.4
Hence, option 1 is correct.

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