Answer:
28. 
a. false
b. true
c. false
d. false 
2. 8.4 X 2.3 X 2.09 = 40.3788
3. $10.04 - $13.47 
4. Your friend would be incorrect because their decimal is in the wrong place. Take the decimals out of it and think about it. Can 1 times 2 equal anything near 31? no, so it's not reasonable that your friend could multiply 1.2 X 2.6 and get anything near 31.2 
5. It is more reasonable to say between 5 and 6 because even when you round both of the numbers up (3 X 2), you still only get 6. 
Step-by-step explanation:
ill put it in the comments so I can get this to you faster. 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Do you have any answer choices for this or I can’t answer it
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
if x= number of hours replace the x by 9
so you have 5×(1.50)^9+10= 
 5×(192.21)+10 = 202.21 so 202 will be nearest whole number 
 
        
                    
             
        
        
        
Answer:
associative property
Step-by-step explanation:
 
        
                    
             
        
        
        
First lets figure out what -5+5 equals. so -5+5=0. so then -4-0 equals -4. so therefor your answer is -4