he will only need 6 boxes.
Answer:
4 1/2 inches
Step-by-step explanation:
x^n*x^3=x^13
x^(n+3)=x^13
n+3=13
n=10
3.3
7lb 3oz
3oz/16oz=.1875lb
7lb+.1875lb=7.1875lb
7.1875lb/2.2kg=3.27kg