Answer:
a7 = 4
Step-by-step explanation:
r = a2/a1 = -128/256 = -1/2
an = a1·r^(n-1)
a7 = 256·(-1/2)^(7-1) = 256·(1/64)
a7 = 4
The formula for profit<span> is total revenue minus total expenses, resulting in net </span><span>profit.</span>
14. -0.44
15. 26.488
16. -3.33333333333
17. <span>-5.14285714286
18. -0.12
19. Eleven 2.25 pound containers</span>
20. (a)19 (b)7.6
21.Its less than.The reason is because different seasons have different rainfall amounts.