Answer : The correct option is, (C) 20.7 inches
Explanation :
The conversion used from meter to centimeter is:
1 m = 100 cm
The conversion used from centimeter to inches is:
2.54 cm = 1 inch
First we have to convert the length of glass tubing from meter to centimeter.
As,

So,

Now we have to convert the length of glass tubing from centimeter to inches.
As,

So,

Therefore, the length of glass tubing in inches are 20.7 inches.