Post a New Question

math

posted by .

How many 4-digit numbers can be formed using the numbers 5, 6, 7 and 8? How many of the 4-digit numbers are less than 7000?

  • math -

    Since there are 4 choices for each digit, there are 4^4 = 256 different numbers.
    Only half of them begin with 5 or 6

  • maths -

    \

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question