abeigailshelton528 abeigailshelton528

02-02-2018
Mathematics

contestada

How many three-letter "words" can be made from 9 letters "fghijklmn" if repetition of letters (a) is allowed?

Respuesta :

arthurzhang2006 arthurzhang2006

02-02-2018

729. You just do 9 to the power of 3 or 9^3 and you will get 729. If it is not allowed, the answer is 504.(9 x 8 x 7)

Answer Link

Otras preguntas

What is the meaning of volcanism?

what is the speed of a bobsled whose whose distance time graph indicates that it traveled 113 m in 30 s

A(n) _____ wave best describes a wave whose direction of travel is perpendicular to the displacement of the medium.

plant cells that are specialized for a cell division are most likely found in what part of a plant?

Factor the trinomial in to 2 sets of parentheses 12a squared minus 13a minus 35

Sulfur dioxide is a main component of: photochemical smog, thermal inversion, industrial smog.

Which is not a reason why the Cold War started? A. The U.S. initiated a policy of attacking communism in the Soviet Union. B. Americans feared the growing

HELP ME PLEASE! I'M DESPERATE!!!....... [tex] \frac{X-2}{5} = \frac{1}{5} [/tex] Answers A. 1/3 B. 1/2 C. 2 D. 3

people who are lactose intolerance

Which best describes viruses? Viruses are nonliving infectious agents. Viruses can replicate without a host cell. Viruses can be killed by strong antibiotics. V