The round() function is commonly used to round a number to a specified number of decimal places. However, in this case, the second argument is -2, which means rounding to the nearest multiple of 100 (10 to the power of -2).
So, for the input round(247, -2), the result will be:
Identify the position to round to based on the negative exponent (in this case, -2).
The number 247 rounded to the nearest multiple of 100 is 200.
Therefore, round(247, -2) equals 200.