Answer:
2
Step-by-step explanation:
2 is the hfc or gfc (depending on if you say highest or greatest) becausee it is the largest factor in both numbers
312 inches in feet: 26
7 yards in feet: 21 ft
6^10 over 7^6.
(6^5 over 7^3)^2
= 6^(5*2) / 7^(3*2)
= 6^10 over 7^6.
Plan A would be better