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

Conflicts between jeffersonians and hamiltonians during president george washington's first administration led directly to the
What is the solution set of {x | x < -3} ∩ {x | x > 5}
Please help me on all 7 if you can only solve some don't hesitate & say those
is 9.1 greater than 9.08
Whats is the primary purpose of consituitions?
A square WXYZ has the vertices W(b, b), X(b, –b), Y(–b, –b), and Z(–b, b). Which vertex is in Quadrant II?
A _______ can be defined as a basic unit of hereditary information that influences a particular trait or group of traits.chromosomegenegenomezygote
A valet has 34 cars to park in a rectangular array, what are tge different ways the valet could park the cars
Of a total of 100 buses operated within a particular town, 48 usually run on time and 36 of these buses are owned by Jerry. Of the 52 buses that usually run beh
List three advantages and three disadvantages of dams