What is the radius of a circle with a diameter 200 cm?????????????????????????????
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Answer: 19.6 million
Step-by-step explanation:
The exponential growth function is given by :-
, where A is the initial amount , r is rate of interest and x is time period.
Given : The automobile sales in a country this year : A= 20.6 million
The rate of increase : r = 4.9 %=0.049
For last year , we take x = 1 , then the required exponential equation will be :-
Hence, the number of auto sales in the country last year = 19.6 million.