Register
Permutations and combination math 30 question! How many different combinations of 3 letters can be made using all 26 letters in the alphabet? a) 15 600 b) 2600 c) 23 d) 69
143k views
2 votes
Permutations and combination math 30 question!

How many different combinations of 3 letters can be made using all 26 letters in the alphabet?

a) 15 600

b) 2600

c) 23

d) 69

User Avyaan
by
4.1k points

1 Answer

3 votes

Answer:

The answer is 2,600

Explanation:

nCr=n!/r!(n-r)!

26C3=26!/3!(26-3)!

=26!/3!(23!)

= 2600

User Espanta
by
4.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.2m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
I need to simplify this expression.
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
What is the domain and range?
Two chords intersect at a point inside a circle that is not the center of the circle. Which statement must be true? The measures of each pair of opposite arcs sum to 180°. Each angle measure is equal to
Link Copied!