Answer:
Olive can grow 16 watermelon plants.
Step-by-step explanation:
1. Start by figuring out the size of the garden; 10 to the power of 2 or 10x10 is 100. The size of the garden is 100 yards
2. Then figure out the size of one water melon; 2.5 to the power of two or 2.5x2.5 is 6.25. Each watermelon is 6.25 yards.
3. Then divide 100 yards by 6.25 yards. You will get 16. Therefore you can Olive can plant 16 watermelons in her garden.