GRE Math Shortcut: 8! / 5! Solved in Seconds (No Calculator!)
Yes—8! (factorial) is a massive number.
No—you do not need to compute it. Ever.
If you’re reaching for the GRE’s onscreen calculator, stop. In this short video, we show you how a professional test-taker thinks, cancels factorials properly, and gets to the answer in under 10 seconds—by hand.
It’s not magic. It’s just method.
We make you into a professional test-taker.
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