Unit 2

Exponents & Scientific Notation

Integer exponent properties and scientific notation for very large and very small quantities — a Grade 8 focus that supports Algebra I quantitative reasoning.

Grade 8 State Test

Essential question: How can exponent rules compress enormous (and tiny) quantities?

Integer Exponent Properties

Grade 8 State Test

a^m · a^n = a^(m+n), (a^m)^n = a^(mn), a^0 = 1 (a ≠ 0), a^(−n) = 1/a^n.

NY-8.EE.1

Scientific Notation

Grade 8 State Test

A number is in scientific notation when it is a × 10^n with 1 ≤ |a| < 10 and n an integer.

NY-8.EE.3 · NY-8.EE.4