How many length-6 strings over Σ = {0, 1, 2} have exactly two 2’s?

Question

08-04-2018
Mathematics

contestada

How many length-6 strings over Σ = {0, 1, 2} have exactly two 2’s?

Respuesta :

Otras preguntas

In the United States, the distribution of power between the levels of government is a product of the Constitution. True False

12x + 4y = 152 32x + 12y = 420 what is y?

Explain one physical activity/dance you can enploy to teachthe following in your lesson.a. Walkingb. Joggingc. Hoppingd. Twistinge. Skipping

Which one of these people does not attend the closing? a. Your real estate agent b. Closing agent c. Seller d. Appraiser

if one of the numbers 1 to 20 is chosen at random what is the probability that it is either a multiple of 3 or a multiple of 5 or both?

which expression shows a way to find 2813×7

Explain the statement-“viruses are the link between living and non-living”.

19. ELIGE la frase que te parezca correcta y RAZONA por que: 1- a. A mi no dieron ventaja, b. A mi no me dieron ventaja. 2- a. Me Tallaron los cálculos b. Falla

Create diagrams to represent the possible cases for common tangents between two circles. Your diagram can be created using multimedia sources or drawn by hand.

obenam obenam · Answer 1 · 2018-04-19T09:05:31+02:00

obenam obenam

19-04-2018

Since the string has already two 2, then we will compute the whole number of strings whose length is 4, over the alphabet {0,1}:[tex]2^4=16.[/tex]
There is then 16 such strings.

Answer Link