SOLUTION: If A = {a, b, c, d} and B = {1, 2, 3, 4}, how many different one-to-one correspondences can be made? 4 I answered four but I don't know if my above answer is correct?

Question 466204: If A = {a, b, c, d} and B = {1, 2, 3, 4}, how many different one-to-one correspondences
can be made? 4
I answered four but I don't know if my above answer is correct?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A = {a, b, c, d} and B = {1, 2, 3, 4}, how many different one-to-one correspondences
can be made? 4
I answered four but I don't know if my above answer is correct?
===============
a can be matched with 4 choices
b can be matched with 4 choices
c same
d same
---
# of possible one-to-one matces = 4^4 = 256
================
Cheers,
Stan H.

RELATED QUESTIONS
How many one-to-one correspondences are there between the two sets {1,2,3,4...12} and... (answered by stanbon)

Hello, I just need someone to check my answers for these questions. Thank You. 1. In... (answered by ikleyn)

1. Which of the following values is NOT equal to 34(58+9)? A. 34 x 67 B. 58(34+9) C.... (answered by Fombitz)

Hello, I was wondering if you would be able to help me with this question: Four cards... (answered by rothauserc)

2. how many different 4 letter radio station call letters can be made if repeats are... (answered by stanbon,Targetweek)

Hello, I just need someone to confirm my answers for these questions (if I'm wrong... (answered by greenestamps,ikleyn)

A group of 30 people consists of 15 women and 15 men. How many ways are there to (a)... (answered by ikleyn)

1. There are 4 contestants in a bicycle race. In how many different orders can they cross (answered by stanbon)

I really need help... I have a stomach virus and this quiz is due tonight. Can someone... (answered by user_dude2008)