question archive Arlene is showing her work in simplifying −7
Arlene is showing her work in simplifying −7
Subject:MathPrice: Bought3
Arlene is showing her work in simplifying −7.9 + 8.2 − 3.4 + 2.1. Identify any errors in her work or in her reasoning. Write feedback to Arlene explaining the mistake she made and how to correct her .
