Guaranteed to be two decimal places is 1.96.

1.9605≈

1.96

This topic examines the application of "rounding method":

When taking decimal approximation, if the highest digit of mantissa is 4 or less, the mantissa is removed. If the highest digit of mantissa is 5 or more, the mantissa is rounded and "1" is input before it, which is called rounding method.