Hey there! I'm happy to help!
This number is sixty six thousand six hundred eighty one. This means that our ten thousandths place is the first 6. 
We look to the right place to see if it is 5 or bigger. It is also six. 
Therefore we bump the ten thousands place up 1 to 7 and we make everything else 0, giving us 70,000.
Have a wonderful day! :D
 
        
             
        
        
        
165 - 57 and divide that by 2. So that would be 54
        
             
        
        
        
Answer:
I'm pretty sure it is C
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
the outer left side is also 50 ft.
in inner (upper) left side is also 13 ft.
the bottom line is 10+20+11 = 41 ft
this is all possible because all the angles are clearly right angles (90°).
so, the perimeter is
2×(10+20+11) + 2×50 + 2×13 = 82 + 100 + 26 = 208 ft
 
        
             
        
        
        
1st urn....4 green balls, 6 blue balls.....10 total balls....probability of drawing a blue ball in urn 1 is : 6/10 reduces to 3/5
2nd urn...6 green balls, 2 blue balls....8 total balls...probability of drawing a blue ball in urn 2 is : 2/8 reduces to 1/4
probability both balls are blue : 3/5 * 1/4 = 3/20 <==