Answer:
d
Step-by-step explanation:
GCF - What is the highest number possible that the two given terms have in common.
In the given problem, one can clearly see that the two share

.
The factors of 14 are 1, 2, 7 and 14 while the factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42.
Out of the two, 14 is the highest number that they both share.
So our answer will be 14
3.5x10^4
lets break it down
10^4= 10x10x10x10 so 10,000
so therefore 3.5x 10,000= 35,000
(if i am wrong please tell me and ill try to fix my mistakes)
Answer:
The farmer would need 80 posts.
Step-by-step explanation:
If one side of the garden is 10m long, and the garden is a square, we can assume that all 4 sides will be 10m. That makes it 40m in total. Times 40×2 and you get 80.