| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| To change a fraction to this, you can divide the numerator by the denominator | decimal | $200 | DJ | MATH | 2000-03-27 | #3591 | |
| In this notation system, 1/4 is .25, & is terminating | decimal | $200 | J | MATH | 1998-07-17 | #3215 | |
| A binary system is based on 2 & this is a system based on 10 | decimal | $200 | J | MATHEMATICS | 1991-10-15 | #1637 | |
| A number system using a base of 10, Dewey used one to catalogue library books | decimal | $100 | J | MATH | 1989-02-14 | #1032 |