SOLUTION: Find the number of 7 digit phone numbers that can be formed if the first three digits come from the numbers 1 to 3 and the last four digits come from the numbers 1 to 9

Question 632221: Find the number of 7 digit phone numbers that can be formed if the first three digits come from the numbers 1 to 3 and the last four digits come from the numbers 1 to 9
Answer by graphmatics(170) (Show Source): You can put this solution on YOUR website!
There are three digits available for each of the first three digits. The number of possible first three digits is 3*3*3. For the last four digits the possibilities are 9*9*9*9. 5he solution is 3*3*3*9*9*9*9=177147
RELATED QUESTIONS
If only the digits 0, 1, 3, 4, 5, 6, and 7 may be used, find the number of possible... (answered by greenestamps,Alan3354)

How many different two-digit numbers can be formed using the digits 1, 3, 4, and 5.... (answered by stanbon)

2. Three-digit numbers are formed using the digits 0, 1, 2, 3, 4, 5 and 6. Note that a... (answered by KMST)

Four-Digit Number. How many four-digit numbers can be formed using the digits 0, 1, 2, 3, (answered by MathLover1,jilalbenkad)

Find three digit even numbers greater than 300 that can be formed from the digits 1, 2,... (answered by stanbon)

How many different three-digit numbers can be formed from the digits 0-9 if the first... (answered by RAY100)

If digits can be repeated, the number of three digit odd natural numbers that can be... (answered by math_helper)

How many three-digit numbers can be formed using the digits 2,3,5,7,8 if the number is... (answered by ikleyn)

Suppose repetitions are not allowed. Answer the following: a) Find how many three-digit... (answered by ewatrrr)