Answer:
3.5×10^4=35000
Step-by-step explanation:
Consider the value 
3.5
 we are saying that we are counting in units (1's) in that we have 
3
1
2
 of 1's
'.....................................................................................
Consider the value 
3.5
×
10
. Now we are saying we have 
3
1
2
 of tens. That is; 3 lots of 10 is 30 and 
1
2
 of 10 is 5 so we have 
30
+
5
=
35
'.................................................................................
Note that 
10
2
 is 100
Consider the value 
3.5
×
10
2
. Now we are saying we have 
3
1
2
 of 
100
'
s
So if we are counting in 100's then the decimal point stays where
it is and we move the number of 3.5 to the left until the
3 becomes hundreds.
Note that we have to insert a place holder of 0 just to the left of the decimal point to make sure the three is viewed as in the hundreds.
3.5
×
10
2
 
−−−−−−−−−−−−−−−−−−→
slide to the left 2 places
 
350.0
 
        
             
        
        
        
Answer:
x=5
Step-by-step explanation:
3x+1= 4x+(-4)
-4×+1= -4x-1 combine like terms
-1x= -5 divided by -1
x= 5
 
        
             
        
        
        
117.93 is greater than 117.859 by .035.
        
             
        
        
        
Answer:
(-3,5)
Step-by-step explanation:
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