Answer:
81
Step-by-step explanation:
9 × 3n= 3^7
9×3n= 2187
27n= 2187
n= 2187/27
= 81
Hence n= 81
3.7
I hope this helps! Negatives cancel out negatives
Answer:
qazwsxedcrfvtgbyhnujmikolp
Step-by-step explanation:
Its 5.6 ok because u need to divide this answer
We first determine the cost of one pair, that is:

So, each pair of shoes cost $63.Now, we determine the value of the commission:

So, the commission for each pair of shoes is $10.71, now we multiply this by 3 times. That is:

So, the commission for the three pairs of shoes will give him $32.13.