

1. 
Write 2,564,000 in scientific notation. 


A. 
2.564×10^{5} 
B. 
2.564×10^{6} 


C. 
25.64×10^{5} 
D. 
2,564×10^{3} 


Hint 


2. 
Write 120,000,000 in scientific notation. 


A. 
1.2×10^{9} 
B. 
0.12×10^{9} 


C. 
12×10^{7} 
D. 
1.2×10^{8} 


Hint 


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


A. 
= 
B. 



C. 
> 
D. 
< 


Hint 


4. 
The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place. 


A. 
2.99 × 10^{10} 
B. 
2.99 × 10^{9} 


C. 
3.00 × 10^{8} 
D. 
3.00 × 10^{9} 


Hint 


5. 
Write 45,870,320 in scientific notation. 


A. 
45.87032 × 10^{7} 
B. 
4.587032 × 10^{8} 


C. 
4.587032 × 10^{7} 
D. 
45.87032 × 10^{6} 


Hint 

