PLEASE HURRY!! Which of the following lays out the first step in converting 0.000000624 to a scientific notation?
Count the number of positions to move the decimal place
Move the decimal after the number 4
Count the number of zeroes preceding the number 6
Move the decimal after the number 6

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.