bkava19 bkava19

23-02-2020
Mathematics

contestada

8) You are given the following digits to create 3-digit numbers:
2, 3, 6, 7, 8, 9.

a) How many 3-digit numbers can be created if a digit can be
used more than 1 time

b) How many digits can be created if you may NOT use a digit
more than once?

Respuesta :

amna04352 amna04352

25-02-2020

Answer:

a) 216

b) 120

Step-by-step explanation:

a) 6×6×6 = 216

(6 options for each position)

b) 6C3 × 3! = 120

Answer Link

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