Langsam958 Langsam958
  • 11-06-2014
  • Mathematics
contestada

How many 4-digit numbers are there whose digit product is 60?

Relax

Respuesta :

Аноним Аноним
  • 05-07-2014
[tex]60|2\\30|2\\15|3\\.\ 5|5\\.\ 1|\\\\60=2\cdot2\cdot3\cdot5\\\\\{2;2;3;5\}\to4!:2=12-numbers\\\{1;3;4;5\}\to4!=24-numbers\\\{1;2;6;5\}\to4!=24-numbers\\\\\\Answer:12+12+24=48\ numbers[/tex]
Answer Link

Otras preguntas

. If two polygons are similar how can you find the scale factor from one polygon to the other?
what number is 25% of 35% of 400
When mixed, which states of matter form only a homogeneous mixture?
When two stars are bound together gravitationally and orbit a common mass, they're known as A. constellations. B. meteoroids. C. galaxies. D. binary stars.
A group pardon for an offense against the government is known as a. executive agreement. c. a reprieve. b. de facto. d. amnesty
What odd numbers equal 32
Places that charge admission
what does b equal? 1/3b+2=12 (1 over 3b+2=12)
When did the United Nations officially begin? A. 1918 B. 1945 C. at the Yalta Conference D. at the Paris Peace Conference
Hippocrates taught that disease was the result of ___________. a. bad behavior b. natural causes c. divine action d. curses