sunshinycoast10 sunshinycoast10
  • 21-07-2020
  • Mathematics
contestada

how many 4-digit numbers can be formed using only the digits 9, 8 and 7? :p

Respuesta :

tramserran
tramserran tramserran
  • 21-07-2020

Answer: 81

Step-by-step explanation:

First digit  and    Second digit    and    Third digit    and    Fourth digit

3 choices  x       3 choices          x        3 choices      x       3 choices     = 81

Answer Link

Otras preguntas

which continent include the coordinates of 30°S latitude, 135°E longitude?
There were 10 fish in a bowl 3 drownded and 4 died how many fish were left
In “A White Heron,” what is the author’s purpose in calling the main character “little woods-girl”? To emphasize the girl’s ability to milk cows To emphasize th
Unscramble this word Isccmaup
what is 5/12+1/4 equal to
A recipe uses 2/3 cup of flour and 5/8 cup of blueberries. Is there more flour or blueberries in the recipe?
14. A person's beliefs and general outlook, which act like filters on the information they receive, is called A. consideration. B. attitude. C. efficiency.
What did the proclamation of 1763 restrict
Which of the following types of economies is most likely to develop new and better products? market command traditional none of the above
the system of checks and balances failed under Andrew Jackson when he