Ajaxr7921 Ajaxr7921

21-07-2017
Mathematics

contestada

Suppose you must choose a 3 digit code for your locker using the digits 0 through 9 and no digit can be used more than once. How many 3-digit codes are possible?

Respuesta :

musiclover10045 musiclover10045

21-07-2017

1st digit can be 0-9 = 10 numbers

2nd digit can be 10-1 numbers = 9 numbers

3rd digit can be 10-2 = 8 numbers

10 x 9 x 8 = 720 codes are possible

Answer Link

Otras preguntas

a commercial jet has been instructed to climb from its present altitude pf 9000 feet to a cruising altitude of 44000 feet, if the plane descends at a rate of 2,

What is the significance of the Venus figurines ?

How to round this to the nearest thousand 19,836.2838

What is the rising action of tuck everlasting

What is the significance of the Venus figurines ?

A lab technician has 680ml of solution of water and acid, 3% is acid how many millimeters are acid? water? can someone please explain step by step to solve thi

How did textile mills affect the lives of workers?

A horizontal line through point -7,8

What are three fractions equivalent to 1.7

A boy of mass 40kg slides from rest down a straight slide of length 5m. The slide is inclined to the horizontal at an angle of 20°. The coefficient of friction