Structural abnormalities can occur because of this missing chromosome
The answer to your question is going to be 10.
Decision structure. This can test conditions and then depending on the result of the test. Different operations can be done. This is usually done by the use of 'if' and 'the'. Use and 'if' ..'then' structure to do one statement in condition. Conditions is usually a comparison, this can also be expressed in numerical value. Sometimes this is called as the visual basic.
Magnification = Objective lens * Ocular lens (power)
m = 10x * 5x
m = 50x
In short, Your Answer would be 50x
Hope this helps!