I do not answer for you but I could help!
They are equal because no matter how many zeroes are the decimal point and all the numbers so 6.900000000000000 and 6.9 are equal.
1.53
2.115
3.122
4.106
5.49
6.110
left to right
Answer:
1, 3, 7, 21!
Step-by-step explanation: