Answer: 3.285714286
Step-by-step explanation: subtract 2 from both sides then divide by 7
89 gram= 8.9 decagram = 0.89 hectograms = 0.089 kilogram
Answer:

Step-by-step explanation:
The reciprocal of a fraction
is
Then
The reciprocal of
is 
In order to simplify this expression, we need to multiply the numeric values together and the variables together.
So we have:

Therefore the correct option is the third one.