Answer:
1. A mathematical expression containing numerals or variables or both to indicate products or quotients.=Expression
2.The four distinct sections of the coordinate plane created by the x- and y-axes.=Quadrant
3.A comparison of two quantities by division.=Ratio
4.A way of expressing very large or very small numbers, by writing the number as the product of a number between 1 and 10 and a power of 10. =Scientific notation
5.A number that can be written as the ratio of two integers, the denominator not being zero. =Rational number
Step-by-step explanation: