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 :

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

900 is 1/10 of 9000?

How are fossil fuels formed?

Translate the phrase into a math expression. twelve more than the quotient of six divided by three A. (6 ÷ 3) + 12 B. 6 ÷ (3 + 12) C. (3 ÷ 6) + 12 D. 3 ÷ (6

What Were the successes and challenges of medieval asia?

What is 905,154 rounded to the nearest ten thousand plz help me!!!

What is the value of the expression –c + d when c = 12.7 and d = –4.4? a. –17.1 b. –8.6 c. 17.1 d. 8.6

what is 6 1/2 + 5 7/8= ?

Which does not contain a run-on sentence? a. The Southern Cross was important to the aboriginal people, who believed the pattern of the stars was of a wedge-tai

Evaluate the expression. (6–2)[(2+3)+4] a. 9 b. 13 c. 24 d. 36

what is 6 1/2 + 5 7/8= ?