Which key is used to calculate the active worksheet
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Ctrl + 3
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Shift + F7
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Alt + F7
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Shift + F9
D
Correct answer
Explanation
Shift + F9 is the keyboard shortcut used to calculate the active worksheet in Excel. This shortcut performs calculation only on the current sheet, unlike F9 which calculates all open workbooks. This is useful when working with large workbooks and you want to recalculate only the active sheet. The other options like Ctrl + 3, Shift + F7, and Alt + F7 are not standard calculation shortcuts in Excel.