This is the concept of arithmetic. To calculate the percentage of time life has existed we proceed as follows;
According to history:
The age of earth is 4.6 billion years
the age of life is as it appeared from unicellular is 3.8 billion years.
thus the percentage of the above will be:
3.8/4.6 x 100
=0.82609x100
=82.609%
A.
If you roll up the quarter circle and cap the open end with the smaller circle, the resulting shape should be a cone.
As a fraction it is 16/9 and for a decimal it is 1.7777 repeating
Answer:
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Step-by-step explanation:
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The answer is 6. When x is -3 then you divide -3 by 3 and the quotient is -1. So 5-(-1) is also equal to 5+1 which equals 6
