ledroses5256 ledroses5256
  • 03-09-2017
  • Mathematics
contestada

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

Respuesta :

caylus
caylus caylus
  • 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

6. What is glucose considered in the cellular Respiration Process?​
Which of the earth's changes can be explained by the plate tections Multiple answers Earthquakes Erosion Mountain ranges Ocean trenches Volcanoes Wind Weatherin
heeeeeeeeeeeeeeeeeeeeeeeeeelpppppppppppppp
Which is NOT an example of active transport A. Osmosis B. Membrane pumps C. Exocytosis D. Endocytosis
Can someone help please I appreciate it
What does the lines between atoms represent?and howThe lines between molecules?
Which expressions are equivalent to 3^−9/3^−6? Select EACH correct answer. 1/3^3 3³ 3^−3 −27 27 1/27 −1/27
PLease HELP!! Brainliest answer. i really need help asap thanks
During the quarantine, the Jones family installed a rectangular pool in their backyard that was 10 feet wide and 15 feet long. The Martin family, not to be outd
An object has a volume of 3.5 cm and a mass of 7 grams. Find the object's density.​