

1. 
Write 3,465 in scientific notation. 


A. 
346.5×10 
B. 
3.465×10^{3} 


C. 
0.3465×10^{4} 
D. 
34.65×10^{2} 


Hint 


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


A. 
1.2×10^{9} 
B. 
12×10^{7} 


C. 
0.12×10^{9} 
D. 
1.2×10^{8} 


Hint 


3. 
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^{9} 
D. 
3.00 × 10^{8} 


Hint 


4. 
Write 45,870,320 in scientific notation. 


A. 
45.87032 × 10^{6} 
B. 
4.587032 × 10^{7} 


C. 
4.587032 × 10^{8} 
D. 
45.87032 × 10^{7} 


Hint 


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


A. 
> 
B. 



C. 
< 
D. 
= 


Hint 

