8.EE.A.1
Use the exponent rules: 3² × 3⁻⁵ = 3⁻³ = 1/27.
Worksheets for this standard 2 topics
The standard, officially
Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3² × 3⁻⁵ = 3⁻³ = 1/3³ = 1/27.