Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry cod

Question

Lubov Fominskaja [6]

4 years ago

8

Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry cod

e. How many different combinations are possible, if the digits can be repeated?
27307291,000

Mathematics

1 answer:

malfutka [58] · Answer 1 · 2022-01-10T14:12:54+03:00

malfutka [58]4 years ago

7 0

There are, 3 x 2 x 1 = 6 possible ways of arranging the three digits. Therefore in that set of 720 possibilities, each unique combination of three digits is represented 6 times. So there are 720 possible combinations.