256 * 40 = 10,240 cm needed
so if the balls are 30 cm each then
10, 240 divided by 30 = 341.3
so the teacher will need 342 balls.
<span>It is also called order property of addition. This means that addends can be added in any order and the sum is always the same.</span>
Answer:
4y--7 i think
Step-by-step explanation:
