Factorial

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 The notation 4! is used as an abbreviation for the product 4 x 3 x 2 x 1 so that 4! = 24. Similarly, 9! = 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 362880. Work out the value of:

1)3!

2)7!

Comments

  1. Anonymous27 January 2021 at 19:52

    1) 3! would be 3 * 2 * 1 = 6

    2) 7! would be 7 * 6* 5 * 4 * 3 * 2 * 1 = 42 * 20 * 6 = 42 * 120 = 5040

    ReplyDelete

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