Answer:
Step-by-step explanation:
hello :  
look this solution : 
 
        
             
        
        
        
Answer:
x = 10
Step-by-step explanation:
Using the rules of logarithms
• log x + log y ⇔ log(xy)
• log ⇔ n log x
 ⇔ n log x
• log x = log y ⇒ x = y
Given
ln20 + ln5 = 2 lnx , then
ln(20 × 5) = ln
ln 100 = ln , hence
, hence
x² = 100 ( take the square root of both sides )
x = 10 
 
        
             
        
        
        
2876 Rounds To 3000
513 Rounds To 500
18 Rounds To 20
Then multiply:
3000x500x20= 30,000,000 
Hope i helped :)
        
             
        
        
        
Which one I can help with anyone
        
             
        
        
        
Split the object then find the 2 areas then subtract