8th Grade · Expressions & Equations
Coefficient
8.EE.A.3
Definition
In scientific notation, the decimal number multiplied by a power of ten. It must be greater than or equal to one and less than ten.
Examples
- 3.6 × 10⁵: 3.6 is a valid coefficient (between 1 and 10).
- 36 × 10⁴ is NOT valid — 36 is too big.
Key rule
The coefficient must be at least 1 and less than 10.
Memory hook
The front number, always between 1 and 10.