ledroses5256 ledroses5256

03-09-2017
Mathematics

contestada

How many 3 digit positive integers are odd and do not contain the digit 5?

Respuesta :

03-09-2017

Hello,
Assume n=a*100+b*10+c un integer positive odd with no 5.

a∈{1,2,3,4,6,7,8,9} ,#8
b∈{0,1,2,3,4,6,7,8,9},#9
c∈{1,3,7,9},#4
Number of integers searched: 8*9*4=288

Answer Link

Otras preguntas

As a manager in health care, what is your role in information technology initiatives? what are the benefits of being involved?

Ranges are 6-mile increments measured (and described) from the north-south meridian running:_____.

What could her providers have done to make the sharing of information easier for marsha?

__________________________ speciation is where there is differentiation and isolation of populations while being in the same location.

¿Qué papel Juega la ceremonia en la vida en la pequeña ciudad? ¿Cómo se siente la mayoría de la gente del pueblo acerca de esta costumbre?

A nurse is caring for a child with hodgkin disease who is in the induction phase of a chemotherapy regimen. the nurse explains to the parents that the goal of t

According to the american accounting association, auditing is a(n)_______ of objectively obtaining and evaluating evidence. (enter only one word per blank.)

what controls all the physical parts of a computer

hi so hi so hi so hi so hi what do I do for this one hi

The most important way to actively interact with your textbook as you read is to?