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

What do the symbols p with hat on top, x with bar on top, and s represent?.
1. How representative was Ms. Lathrop of women in the 1920s? 2. How did electricity and new technology influence people in the 1920s?
which way should a ceiling fan rotate in the summer
describe how you would explain distance moved on a line
How do the models below and in problem 5 show that -6- (-5) is the same as -6 + 5? - - - - - -+ + + + +​
derive an expression for the workdone by a torque?​
There were 50 boys and 40 girls in the school choir last year. This year the boys increased by 12%, but the girls decreased by 5%. How many more people are in t
9. During 1 year, a yellow rose bush grew from 5 feet to 8 feet. During that same time, a red rose bush grew from 3 feet to 6 feet. Which rose bush had the grea
Price skimming works best for which type of product? A. Products that haven't been advertised much B. Inexpensive products with many competitors C. Products wit
How to get micro converters in bee swarm simulator?