

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


A. 
2.564×10^{6} 
B. 
25.64×10^{5} 


C. 
2,564×10^{3} 
D. 
2.564×10^{5} 


Hint 


2. 
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. 
3.00 × 10^{8} 


C. 
2.99 × 10^{9} 
D. 
3.00 × 10^{9} 


Hint 


3. 
Write 1,360,000,000,000 in scientific notation. 


A. 
1.36 × 10^{12} 
B. 
1.36 × 10^{13} 


C. 
0.136 × 10^{13} 
D. 
13.6 × 10^{12} 


Hint 


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


A. 
< 
B. 



C. 
= 
D. 
> 


Hint 


5. 
Write 6.2 × 10^{5} in standard form. 


A. 
6,200,000 
B. 
62,000,000 


C. 
620,000 
D. 
62,000 


Hint 


