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Maths Puzzle
Numerical Ability
How do I first simplify then solve:
-1/9u^-5*(45u^-4)
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book Other Question
An electron can travel through a vacuum tube 2 m long in 2x10 with the exponent of -3 sec. What is the average speed of the electron?
(x-1)(x+2)(2x-3)(3x-6)(x+1)=0
the no of possible values of x that are integer