Step-by-step explanation:
1st digit is 1 number (1)
2nd digit is (3,4,5) so it's 3 numbers
third digit is (6,7,8,9) is it's 4 numbers
last 7 digits is 10 (0,1,2,3,4,5,6,7,8,9)
 
multiply
1*3*4*10=120
so answer is 120 phone numbers
 
        
             
        
        
        
Given:
Beginning Balance:    2,447.67
Less: Withdrawal      <u>      231.49</u>
Total                               2,216.18   
Add: Credit to acct    <u>         36.61</u>
Ending Balance    <u>       2,252.79
</u>The new balance is $2,252.79<u>
</u>
        
                    
             
        
        
        
Answer:
x = 4
Step-by-step explanation:
4(5x - 2) = 72
Do the distributive property
20x - 8 = 72
Then add 8 to both sides to get 20x alone
20x - 8 = 72
       + 8  + 8
20x = 80
Then divide both sides by 20 to get x

x = 4
 
        
             
        
        
        
Answer:
7*5*3*2^5
Step-by-step explanation:
3360/2
1680*2
840*2^2
210*2^4
105*2^5
21*5*2^5
7*5*3*2^5