exam Maths Puzzle Numerical Ability

find the logarithm 1125,2.987,0.557

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exam Other Question

I am supposed to simplify this problem and I am not sure I have done it correctly.

2+2/5 / 2-1/2

is the answer 8/5?
A radio shack is going to construct a 5 foot tower for a new anteanna. The tower will be supported by 3 cables, each attached to the top of the tower and to points on the roof of t