312
___
1000
Since it reads 0 and 312 thousandths, you would simply place 1000 as the denominator. if it reads hundredths, put 100 as the denominator. if it reads tenths, put 10 as the denominator.
I think the answer is 12.8 mm
Consider a few powers which are close to 120 and 130:
squares:

cubes:

4th powers:

now clearly there is no point of checking 5th, 6th and so on powers of numbers >2.
so check powers of 2:

So we have :
Answer:
c.x=2,y=-2
Step-by-step explanation:
hope this help:)
Answer:
125 r. 10
Step-by-step explanation: