The final step before stapling or binding your paper is

 The correct answer is : proofread the entire paper

Explanation:   If you are going to staple, you should check: the number of pages that do not exceed the maximum allowed, size and type of paper that can be stapled. If you are going to bind, you should also make some previous revisions such as: see that the spine does not exceed the maximum thickness allowed, check the size of the book block and the type of paper in the book block.

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a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation: