How can you display the result of adding two numbers stored in variables $a and $b in PowerShell?

hard📝 Application Q9 of 15

PowerShell - Basics and Environment

How can you display the result of adding two numbers stored in variables $a and $b in PowerShell?

A$a = 5; $b = 7; Write-Output "$a + $b"

B$a = 5; $b = 7; Write-Output '$a + $b'

C$a = 5; $b = 7; Write-Output ($a + $b)

D$a = 5; $b = 7; Write-Output $a $b

Step-by-Step Solution

Solution:

Step 1: Assign numeric values to variables
$a and $b are assigned numbers 5 and 7 respectively.
Step 2: Use parentheses to calculate sum
Using ($a + $b) inside Write-Output calculates the sum before output.
Final Answer:
$a = 5; $b = 7; Write-Output ($a + $b) -> Option C
Quick Check:
Parentheses evaluate expressions before output [OK]

Quick Trick: Use parentheses to calculate before output [OK]

Common Mistakes:

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