

1. 
Write 120,000,000 in scientific notation. 


A. 
1.2×10^{8} 
B. 
1.2×10^{9} 


C. 
12×10^{7} 
D. 
0.12×10^{9} 


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. 
3.00 × 10^{9} 
B. 
2.99 × 10^{10} 


C. 
3.00 × 10^{8} 
D. 
2.99 × 10^{9} 


Hint 


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


A. 
1.36 × 10^{12} 
B. 
13.6 × 10^{12} 


C. 
0.136 × 10^{13} 
D. 
1.36 × 10^{13} 


Hint 


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


A. 
> 
B. 
= 


C. 
< 
D. 



Hint 


5. 
Michigan’s population is almost 10,000,000 people. Texas’ population is twice that of Michigan. About how many people live in Texas? 


A. 
2.0 × 10^{6} 
B. 
2.0 × 10^{9} 


C. 
2.0 × 10^{8} 
D. 
2.0 × 10^{7} 


Hint 


