Question: Analyze the following algorithm. How many multiplications does it use ( that is , how many times is line 3 executed ) in the worst

Analyze the following algorithm. How many multiplications does it use (that is, how many times is line 3 executed) in the worst case?
function power(y, z)
comment Return yz, where y in R, z in N
1. x :=1;
2. while z >0 do
3. x := x * y
4. z := z -1
5. return(x)

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