Answer:
1/10
Step-by-step explanation:
not sure
means to say there is some number
for which any choice of
such that
Working backwards, we have
So, whenever
, we can always guarantee that
.
Answer:
The quantity after t years 40 (0.65)^{\textrm t} millions tons
Step-by-step explanation:
Given as :
The rate of decrease of carbon dioxide each other = 35%
The quantity of carbon dioxide emitted this year = 40 million tons
Let the quantity of carbon dioxide emitted after t year = A millions tons
Now, According to question
The quantity of carbon dioxide emitted after t year = The quantity of carbon dioxide emitted this year ×
Or, A millions tons = 40 millions tons ×
Or, A millions tons = 40 millions tons ×
Or, A millions tons = 40 millions tons ×
7^-2= 1/7^2
= 1/14
= 0.071429
