Question

A keycode must contain 2 letters and 3 numbers. The letters may be any letter of the alphabet. The numbers should be any number from 0 to 9. How many different keycode combinations are there?

A. 712,000
B. 676,000
C. 852,000
D. 1,576,000

Answer 1

@misty1212

Answer 2

HI!!

Answer 3

hello

Answer 4

use the "counting principle" i.e multiply all the choices together

Answer 5

26 choices for each letter, 10 for each number, do \[26\times 26\times 10\times 10\times 10\]

Answer 6

thank you <3

Answer 7

\[\color\magenta\heartsuit\]