Question 1134557
The first sentence description using variation constant k should be


{{{R=kL/d^2}}}



You can figure out the rest.  First need to solve for k.
Note, be careful with your variables.  L can be a variable; l should NOT be a variable in typewritten form or through computer and keyboard:


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...,  and d if R =27 when 1=3 and d =2, calculate the ,...
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