Estimation review 
8,9 and 10
                                             
                                          
                                          
                                        
											 
											Answer:
8. between 10^4 to 10^6
9. How many Mcdonalds stores are there? How many burgers does one Mcdonalds store sell?
10. Mcdonalds sells at least 6.48 million burgers every day. That is 6,480,000.
That is around 6.48^4. I was close because I thought around that much, I was only a few numbers off.
Explanation: