exam
Maths Puzzle
Numerical Ability
Write an expression that is equivalent to the following expressions
(10*5)*20 (associative of multiplication)
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exam Other Question
Given a sphere of known radius,R. The surface area is 4*pi*R^2.
What is the surface area of a circle of radius r drawn on that sphere? I know that the answer is more than pi*r^2.
Thank you,
Charles Palm
How do I simplify the expression (x^2/x^-5)^-3?
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