Question
In: Statistics and Probability
How many three-digit numbers can be formed from the digits 0,1, 2, 3, 4, 5, 6,...
How many three-digit numbers can be formed from the digits 0,1, 2, 3, 4, 5, 6, 7, and 8 if each digit can be used only once? I got this: 448
How many are greater than 330? <- I don't understand how to answer this.
I have looked up the answer and could probably figure it out, but please explain where the numbers you are multiplying are coming from. I want to learn how to answer this type of question on my own. I do not understand what numbers to multiply and why. I start with 5 because there are 5 digits for the hundreds place greater than 3, then multiply that by 8 for the remaining digits in the tens place. So I have 5*8, if that is correct then I just need the last number and to understand why that is the last number, and then I have to do the remaining numbers with the 3 in the hundreds place and get the sum.
Solutions
orchestra answered 2 years agoRelated Solutions
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How many even 4-digit numbers can be formed from the digits 1,
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How many 3-digit numbers can we make using the digits 1, 2, 3, 4, 5, 6...
How many 3-digit numbers can we make using the digits 1, 2, 3,
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How many 4 digit numbers can be formed using only the numbers 3 2 7 6...
How many 4 digit numbers can be formed using only the numbers 3
2 7 6 5 4 9 if:
a) there are no repeats allowed?
b) the number is odd and no repeats allowed?
c) the number is greater than 4000 and no repeats are
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d) the number is greater than 4000 and repeats are allowed?
how many 4 digit numbers divisible by 5 can be formed from 0,1,3,5,7,9 if repetition is...
how
many 4 digit numbers divisible by 5 can be formed from 0,1,3,5,7,9
if repetition is not allowed and 0 and 1 Can not be next to each
other.
i can do the first part. there are 2 cases
case 1, the number ends in zero.
5 x 4 x 3 x 1. but i dont know how to account for the zero and
one not being able to be next to each other. i counted 12 possible
numbers that...
A three-digit number is formed from nine numbers (1, 2, 3, 4, 5, 6, 7, 8...
A three-digit number is formed from nine numbers (1, 2, 3, 4, 5,
6, 7, 8 & 9). No number can be repeated. How many different
three-digit numbers are possible if 1 and 2 will not be chosen
together?
Select one:
a. 462
b. 336
c. 672
d. 210
1. A three-digit number is formed from nine numbers (1, 2, 3, 4, 5, 6, 7,...
1.
A three-digit number is formed from nine numbers (1, 2, 3, 4, 5,
6, 7, 8 & 9). No number can be repeated. How many different
three-digit numbers are possible if 1 and 2 will not be chosen
together?
Select one:
A. 672
B. 210
C. 462
D. 336
2.
In a recent survey conducted by a professor of UM, 200 students
were asked whether or not they have a satisfying experience with
the e-learning approach adopted by the...
A three-digit number is formed from nine numbers (1, 2, 3, 4, 5, 6, 7, 8...
A three-digit number is formed from nine numbers (1, 2, 3, 4, 5,
6, 7, 8 & 9). No number can be repeated. How many different
three-digit numbers are possible if 1 and 2 will not be chosen
together? a. 462 b. 210 c. 672 d. 336
5. Using only the digits of 1, 4, 5, 8, (a) How many three digit numbers...
5. Using only the digits of 1, 4, 5, 8, (a) How many three digit
numbers can be formed? (b) How many odd numbers greater than 10 can
be formed? (c) How many even number less than 300 can be
formed?
Repetition is allowed!
Question: How many even four-digit numbers can be formed from the digits 0,1,2,5,6 and 9. If...
Question: How many even four-digit numbers can be formed
from the digits 0,1,2,5,6 and 9. If each digit can be used exactly
once.
Note: Using the rule of multiplication, solve the question
elaborating and explaining each step in detail for my better
understanding.
how many five digit numbers include the digits 4 or 6 or both?
how
many five digit numbers include the digits 4 or 6 or both?
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