What approximate value should come in place of the question mark (?) in the following questions ? (Note : You are not expected to calculate the exact value.)
$$6666.009 - 585.999 - 79.989 = ?$$
While performing addition or subtraction of decimals, we can round off the values to the nearest whole numbers and perform the calculation.The question can be rewritten as 6666-586-80=6000.The actual answer is 6000.021.As you can see, rounding off values does not vary the answer by a significant margin.
Hence the correct answer is Option E.
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