Task statements for students to write on. Unit: 8.7 Exponents and Scientific Notation (Grade 8). 8.7 Exponents and Scientific Notation In grade 6, students studied whole-number exponents. In this unit, they extend the definition of exponents to include all integers, and in the process codify the properties of exponents. They apply these concepts to the base-ten system, and learn about orders of magnitude and scientific notation in order to represent and compute with very large and very small quantities. Read More Lessons Resources Assessments Lessons Exponent Review 1 Exponent Review Exponent Rules 2 Multiplying Powers of Ten 3 Powers of Powers of 10 4 Dividing Powers of 10 5 Negative Exp