Answer:
2³
Step-by-step explanation:
8 = 2 × 2 × 2 = 2³
Answer:
Percentage loss of the number of trees is
.
Step-by-step explanation:
Given: After a storm,
trees out of
were left standing.
To find: What is the percentage loss of the number of trees?
Solution:
We have,
Total number of trees 
Number of trees left standing 
Therefore, loss of trees
We now that 



Hence, the percentage loss of the number of trees is
.
Answer:
5y
Step-by-step explanation:
because each week she buys five so you multiply 5 by however many weeks.