anthonymillsap9766 anthonymillsap9766
  • 01-01-2018
  • Mathematics
contestada

How many positive palindromic integers are 5 digits long 5-digit long and contain 7 or 8?

Respuesta :

Rod44 Rod44
  • 01-01-2018
If the integers only contain digits 7 or 8 we have to consider 3-digit integers:
777
778
787
877
788
878
887
888
The palindromes would then be:
77777
77877
78787
87778
78887
87878
88788
88888
So there are 8 palindromic integers.


Answer Link

Otras preguntas

Describe the effect of the southern alps on the climate east of the mountains. 1) Their snow and ice have a chilling effect, keeping the central and eastern ar
What is the nth term in the arithmetic sequence when the sequence is: 6,10,14,18 (I need the expression)
In the number 10,987.36 which digit represents the tenths space?
Multicellular animals have levels of organization. What characteristic of cells makes this possible?
The longest terms in congress are served by
What is the gcf of 45, 18, and 39?
Why might the civilian conservation corps have employed only males?
What happens to the particles of a substance when thermal energy is added to the substance?
A tissue system is a group of organs that work together to perform body functions
Answer QUESTION IS WORTH 60 FULL POINTS ANSWER IN 5 MINUTES AND GET THE 60 POINTS Vince weighs 160 pounds, and his friend Nadir weighs 140 pounds. Nadir calcu