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Question:
Which expression is equivalent to
Answer:
Step-by-step explanation:
Given
Required
Simplify
From laws of indices;
So, the expression can be rewritten as
Also, from laws of indices
So, the expression is further solved to:
Solve exponents as fraction
This can be rewritten as
Answer:
The area is 196π, or 615.752160 when evaluated to 6 decimal places.
Step-by-step explanation:
There is an equation for the area of a circle:
A=π, Where A is the area and r is the radius. π is π, it is its own number. Plugging in the radius stated we can evaluate:
A=π()
A=196π
If we write out π and evaluate with an (un)reasonable amount of decimal places:
π≅3.1415926536
A=196×(3.1415926536)
A≅615.752160