What two 2 place decimal numbers are greater than 3.97 but les than 4.00?

The two 2-place decimal numbers that are greater than 3.97 but less than 4.00 are 3.98 and 3.99. These numbers fall between 3.97 and 4.00 on the number line, with 3.98 being the first number greater than 3.97 and 3.99 being the last number before reaching 4.00.