Answer:
120 x 10^-4
Step-by-step explanation:Multiplying 1.2 by 10^2 and multiplying 10^-2 by 10^-2.Gives 120 x 10^-4 So, the mass of an average grain of rock salt is 120 x 10^-4 .
A, sub in a random number as x in all equations and solve, eg- x= 3
2-3= -1
3-2=1
-2 +3= 1
3-2=1
I will take you the steps to obtain the slopes passing two points
step 1 : list the parameters

step 2: Apply the equation to obtain the slope between two points
Translation doesn't change the lengths of the sides or
the size of the angles. So when a figure is just translated,
the original image and the translated image are congruent.
Molly had 60 laps of swimming