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

Colonial Puritans valued hard work and individual responsibility. These democratic ideas, practices and values are central to citizenship in a free society and
PLEASE HELP WILL GIVE BRANLIEST! What difficulties did slaves face?
What shoul i get, Airpods or a ps4 cooling fan ???
Where did Jake find a clue about ancient works of art? A. on the computer B. a brochure on the Chichen Itza C. in the map D. on a road sign
Which type of environmental scientist is likely to study how different species of birds interact? a. Hydrologist b. Toxicologist c. Oceanographer d. Ecologist
Solve the equation for the specified variable. S = AD-6, for A
Someone plz help. Only 1-5 Thx!
Translate each sentence into an equation. The product of seven and a number w is two less than the product of eight and the number w.
why is water important in biological systems
Mary has stopped hanging out with her friends sleeping a lot and arguing with their parents what mental disorder might she be experiencing​