Answer: to make it easier
Step-by-step explanation:
well 9+3=12 but taking 1 from the three and making ten then adding 2 is easier
10.05 = 10 5/100 = 10 1/20
10.005 = 10 5/1000 = 10 1/200
therefore, 10.05 is greater then 10.005
21x^2
you CAN'T factor 21x^2
Answer:
5
Step-by-step explanation:
They both have factors of 5.
5 is also the GREATEST factor they have in common!
5,10,15,20,25,30,35,40,45...