8th Grade · Expressions & Equations

Standard Form

8.EE.A.3

Definition

A number written out in full with all of its digits and place values, as opposed to scientific notation. Also called ordinary or expanded numeric form.

Examples

  • 3.6 × 10⁵ in standard form is 360,000.
  • 7.2 × 10⁻³ in standard form is 0.0072.

Key rule

A positive exponent moves the decimal right (bigger); a negative exponent moves it left (smaller).

Memory hook

Every digit written out, no powers of ten.