A. COMPARING AND ORDERING REAL NUMBERS B. FIND THE SQUARE ROOT OF EACH. 64 144 121 225 C. APPROXIMATING SQUARE ROOT VENN DIAGRAM SCIENTIFIC NOTATION CONVERSION OF UNITS ANSWER KEY A COMPARING AND ORDERING REAL NUMBERS B. FIND THE SQUARE ROOT OF EACH. 100 49 169 196 C. APPROXIMATING SQUARE ROOT VENN DIAGRAM SCIENTIFIC NOTATION CONVERSION OF UNITS ANSWER KEY ORDER OF OPERATIONS