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Math help!! If log a =3, log b =5, log c =16 evaluate log( (a^4) / b^2 sqrt(c)) note: a does not equal 3? How many moles of dipyrithione contain 8.0 x 10^24 atoms of N? Why is it that DNA becomes either female or male, and not something esle? CALC HELP: implicit differentiation of (x+y)^3=x^3+y^3? PLEASE SHOW IN STEPS? How to draw the molecule NOBr and how can I calculate its bond angle? Thank you!?