Question 27 options: Given the following code in a programming language: y = a / b * (c + d) where a = 9, b = 3, c = 2, d = 1, find the output y.
Question
Question 27 options: Given the following code in a programming language:
y = a / b * (c + d)
where a = 9, b = 3, c = 2, d = 1, find the output y.
Solution
To find the output y, we need to substitute the given values into the equation and follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), addition and subtraction (from left to right). This is often remembered by the acronym PEMDAS.
Here are the steps:
-
Substitute the given values into the equation:
y = 9 / 3 * (2 + 1)
-
Solve the operation inside the parentheses first (c + d):
y = 9 / 3 * 3
-
Then, perform the division (a / b):
y = 3 * 3
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Finally, perform the multiplication:
y = 9
So, the output y is 9.
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