Langsam958 Langsam958

11-06-2014
Mathematics

contestada

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

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

How did marcus whitman hope to christianize the native americans of the pacific northwest? A: by creating missions that would become centers of trade and inform

A(n) ___________ is the development of a product that is closely related to one or more products in the existing product line but is designed specifically to me

Explain the most significant geographic condition that challenged the development of ancient Egyptian civilization.

Steam reforming of natural gas is the most common method of producing commercial hydrogen. A stream with a flow rate of 1150 mol/h containing 85.0 mol% CH4 and

Jhon had 5 apples and he gave 1 to bryan

A mass spectrometer accelerates doubly ionized atoms of charge 2e over a potential difference V before they enter a uniform magnetic field B which is perpendic

My facial hair is soft on one side and, rough on the the other, why?

"ontributed to the acceptance of movies as an artform? a) the use of still photography to record pantomime b) films that looked like theatrical performanc

change 1 hr 25 min 29 s to s.

Which feature of a membrane describes whether molecules can cross the membrane? O A. Permeability O B. Polarity C. Construction O D. Thickness