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Mathematics 8 Online
OpenStudy (anonymous):

A circular, rotating serving tray has 8 different desserts placed around its circumference. How many different ways can all of the desserts be arranged on the circular tray?

OpenStudy (compassionate):

Hello! \(\LARGE\color{blue}{\mathbb{Welcome~To~OpenStudy!!!}}\) You want to use the expression: (n - 1) If it has 8 different plates, that means (8 - 1) The answer comes out as 7. This was a very simple problem. I encourage you to work on these types of problems in the future.

OpenStudy (nathan917):

@Compassionate You are correct :D

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