Evaluate each expression. Then choose your answer.
|     | 
 | 
                                   –100
                                
                            
                                  –20
                                
                            
                                 20
                                
                           
                                 100
                                
                            
                            	Answer: 
                            	
                                	20
                                
                           	
                       	|     | 
 | 
                                    –81
                                
                            
                                  –27
                                
                            
                                 27
                                
                            
                                 81
                                
                            
                            	Answer: 
                            	
                                	–81
                                
                           	
                       	|     | 
 | 
                                   –2
                                
                           
                                 2
                                
                            
                            	Answer: 
                            	
                                	
                                
                           	
                       	|     | 
 | 
                                  3
                                
                            
                                9
                                
                            
                            	Answer: 
                            	
                                	3
                                
                           	
                       	|     | 
 | 
                                 16
                                 
                            
                                 12
                                
                            
                                  –12
                                
                            
                                –16
                                
                            
                            	Answer: 
                            	
                                	16
                                
                           	
                       	