SOLUTION: How many three digit numbers greater than 700 can be formed by using the digits 4,5,6,7,8,9?
Algebra.Com
Question 549962: How many three digit numbers greater than 700 can be formed by using the digits 4,5,6,7,8,9?
Answer by mathstutor458(57) (Show Source): You can put this solution on YOUR website!
given numbers are 4,5,6,7,8,9
the required number is greater than 700 and that must be a three digit number.
first number must be 7,8,9
the remaining numbers can be any remaining numbers.
Therefore,numbers greater than 700 =3*6*6=108(if numbers are repeting,if numbers are not repeting then answer=3*5*4=60)
RELATED QUESTIONS
How many three-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9... (answered by Alan3354)
PLS HELP... ASAP...
1. Write all the three digit numbers using the digits 4,6 and 8... (answered by edjones)
three-digit numbers are formed using the digits 2, 4, 5, and 7, with repetition of digits (answered by greenestamps)
How many four digit numbers greater than 5000 can be formed by using the digits 3,... (answered by mathstutor458)
how many numbers greater than 990 n less than 5000 can be formed using the digits
0 4... (answered by Fombitz)
Four-Digit Number. How many four-digit numbers can be formed using the digits 0, 1, 2, 3, (answered by MathLover1,jilalbenkad)
How many 6-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if... (answered by MathLover1)
How many four-digit numbers less than 6000 can be formed using the digits 2, 4, 6, 7, 8,... (answered by Edwin McCravy)
Suppose repetitions are not allowed. Answer the following:
a) Find how many three-digit... (answered by ewatrrr)