A numerical pass code is required to open a car door. The pass code is five digits long and uses the digits 0-9. Numbers may be repeat

Question

A numerical pass code is required to open a car door. The pass code is five digits long and uses the digits 0-9.
Numbers may be repeated in the pass code. How many different pass codes exist?
3,125
10.000
59,049
100,000

in progress 0
Diễm Kiều 3 years 2021-07-31T20:11:02+00:00 1 Answers 35 views 0

Answers ( )

  1. thienthanh
    0
    2021-07-31T20:12:30+00:00
    Reply

    Answer:

    100000 pass codes

    Step-by-step explanation:

    the pass code form is: abcde

    a: 10 numbers to choose

    b: 10 numbers

    c: 10 numbers

    d: 10 numbers

    e: 10 numbers

    so there are 10^5 = 100000 pass codes exist

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )