Here are today’s questions. Answers will be published tomorrow. The theme runs from Mon-Thu:

1. When using base-10 logarithms, the integer part is known as the characteristic. What is the fractional component known as?
2. In a Cartesian coordinate system, if the abscissa is the x-axis coordinate, what is the y-axis coordinate called?
3. What is the name of the overline used to indicate a repeating decimal or group elements together in a mathematical expression?
4. What term is used to describe a scalar function of a square matrix? It is denoted by vertical bars around the matrix, and its value is 1 for an identity matrix.
5. [Theme: 3 of 4] What sin completes the list of seven deadlies – gluttony, lust, greed, sloth, envy, pride, _____?

Here are the answers to 2026: Week 3, Quiz 2:

1. Claude
2. Gopher
3. Alibaba
4. Robert Heinlein
5. Theme – will be revealed on Friday