A small country has a very simple language. People there have only two letters and all their words have exactly seven letters. Calculate the number maximum of words people use in that country.
Can anyone answer the question, please?

Question

A small country has a very simple language. People there have only two letters and all their words have exactly seven letters. Calculate the number maximum of words people use in that country.
Can anyone answer the  question, please?

goldenticket · Answer

How tf? can you calculate something like that with out more info to the question?

jannat · Answer

this is my exam ques.i cant add there something

goldenticket · Answer

Well this is what I think of your exam *pisses on exam* I don't like exmas and I hate questions like this

goldenticket · Answer

exams**

jannat · Answer

thanks, if you dont like this then please dont reply

unklerhaukus · Answer

the question is equivalent to :

How many base two numbers can be represented with seven digits ?

unklerhaukus · Answer

000 0000
000 0001
000 0010
000 0011
000 0100
000 0101

      .
      .
      .

111 1101
111 1110
111 1111

mww · Answer

|dw:1480683224083:dw|

You have 7 spaces to put your 2 letters for each word. 
Then we use product rule for possibilities. 
So there are 2^7 arrangements.

Similar question if how many pin numbers or number plates can you make by combining so and so numbers/letters.

An 8 digit telephone number using 0-9 (10 digits) has 10^8 ways to form

jannat · Answer

your answer seems correct to me