sarahmtheising sarahmtheising
  • 23-03-2018
  • Mathematics
contestada

A combination lock has 40 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?

Respuesta :

dat16d
dat16d dat16d
  • 23-03-2018
This is 40*39*38 because there are 40 numbers to choose from for the first number, then because it cant be repeated 39 to choose from for the second and because both of those cant be repeated 38 to choose from
Answer Link

Otras preguntas

Pedro has $0.35 in his pocket.Alice has $0.40 in her pocket.How much money do pedro and alice have altogether.
Which is the equation of the given line? x = -7y x = 7 y = -7x y = -7
A population of rodents, called population A, lived together in harmony on a large landmass until one group of the population dispersed to a nearby island. Two
Solve 9(4g + 9) using the distributive property. Can someone help me with this and show their work?
The circumference of a pizza is 81 in. What is the radius?
Which best describes how energy changes form in a car's engine? A single transformation occurs because the chemical energy of the fuel is changed to the mechani
What is the product of exponent 4 square root 7 multipled 4 times
There are 144 pencils in a box. If each member of the class gets 8 pencils, there will be no pencils left over. How many members of the class are there? Write a
Can anyone help with personal finance??
the product of x and the sum of 6 and 8 times the square of x