The number rounded to the nearest ten will be 1640. The number is grater than the 5 on the scale.
If the digit in the units place is between 0 and 10 i.e., 5, then the unit digit is substituted by 0.
If the digit in the units place is between 5 and 9, that is, > or 5 but less than 10, the units place is replaced by '0,' and the tens place is incremented by 1.
The given number is;
x=1637.984
The number is 7.9 grater than 5. So that the number is rounded to the nearest whole number,i.e.1640
Hence,the number rounded to the nearest ten will be 1640.
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