brandylarance62001 brandylarance62001
  • 15-11-2017
  • Mathematics
contestada

How many strings of 4 decimal digit do not contain the same digit twice?

Respuesta :

Sphery
Sphery Sphery
  • 15-11-2017
9*9*8*7

You can choose 9 digits for the first digit, 9 Fót the second (because IT can be 0) and 8 Fót the third etc.. hope this helps
Answer Link

Otras preguntas

Avery and Caden have saved $27,000 towards a down payment on a house. They want to keep some of the money in a bank account that pays 2.4% annual interest and t
If a DNA-binding protein reads a short stretch of DNA and detects the following second genetic code provided by the functional groups located on each base as H-
What enables U.S. citizens to consume a disproportionately large amount of products compared to the rest of the world? A. large oil reserves OB. high per capita
Find the product. Simplify using positive exponents. 4⁴ · 4³ 2² · 2⁻⁴
6. Which one of the following is NOT an organ system?A. LymphaticB. IntegumentaryC Nervous• D Eliminating​
Helpppp meeee pleaseeeee
Question 22 (2 points) Which of the following is NOT one of the major causes of the loss of biodiversity? A) habitat loss B) invasive species C) radiation D) cl
A solenoid has 332 turns and a length of 14 cm. If a current of 0.88 A produces a magnetic flux density of 0.28 T in the core of the solenoid, what is the relat
1. What is the equation of a line that contains the points (0, 8) and (8, 8)? A y = 0 B x = 0 C x = 8 D y = 8 2. Write the equation of a line that goes throug
advantages and disadvantages of television dialogue​