Answer:
Composite and the factors are 2 , 2 and 5
Step-by-step explanation:
Finding the prime factors:
20 / 2 = 10
10 / 2 = 5 so they are 2, 2 and 5
Try putting it on a timeline. It makes more sense that way :)
140
Step-by-step explanation: 20X7=140
-311.74
Step-by-step explanation:B