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Question number 1
What is the area of the brick deck that you see? 
First we need to find the area of the circle 
The formula is A= pi (3.14)r^2
So 3.14 x 8.30 is equal to 26.062
So to find the area of the square we will multiply 69 by 69, which is 4761
To find the area of the red block we see subtract the area of the pool from the total area of the square, which is 

a - base

b - exponent

so,

the base is 8the exponent is 3the exponent tells you to multiply 8 together three timesthe expanded form is 8*8*8