Work out the value of (2^3)^2
2 answers:
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Given:
The exponential function is:
To find:
The percentage rate of increase or decrease.
Solution:
The general exponential function is:
...(i)
Where, a is the initial value, |r| is the growth rate in decimals if r>0 and |r| is the decay rate in decimal if r<0.
The exponential function is:
It can be written as:
...(ii)
On comparing (i) and (ii), we get
Since r is negative, therefore the given function is a decreasing or decay function.
Now,
So, the rate of decrease is 0.06. Multiply this number by 100 to get the percentage.
Therefore, the rate of decrease is 6%.
Explanation:
Distributive property: →
Multiply by the numbers from left to right.
Then, you can also divide into the numbers.
Product it's going to be multiply by the numbers, fractions, factors, and multiples.
Hope this helps!
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