The following expression,
x = a+b/5.0-c**d+1*e
is equivalent to
x = a+b/5.0-(c**d)+1*e
as ** is highest precedence. This is equivalent to
x = a+(b/5.0)-(c**d)+(1*e)
as / and * are next highest. The remaining operators' precedences are equal, so we evaluate from left to right.
For more information, click here 
Now try this question