

1. 
Write 3,465 in scientific notation. 


A. 
346.5×10 
B. 
0.3465×10^{4} 


C. 
34.65×10^{2} 
D. 
3.465×10^{3} 


Hint 


2. 
Write 2,564,000 in scientific notation. 


A. 
25.64×10^{5} 
B. 
2.564×10^{5} 


C. 
2.564×10^{6} 
D. 
2,564×10^{3} 


Hint 


3. 
Write 120,000,000 in scientific notation. 


A. 
1.2×10^{9} 
B. 
1.2×10^{8} 


C. 
12×10^{7} 
D. 
0.12×10^{9} 


Hint 


4. 
Which symbol makes the following statement true? 7,500 ______ 7.5 × 10^{3} 


A. 
> 
B. 
= 


C. 
< 
D. 



Hint 


5. 
Which symbol makes the following statement true? 1.55 × 10^{4} ______ 15,000 


A. 
= 
B. 
< 


C. 
> 
D. 



Hint 

