Answer:
The correct answer is - 2770000 cm.
Explanation:
1 kilometer = 1000 meter
1 meter = 100 centimeter
1 kilometer = 100*1000 cm
1 km = 100000 cm.
then,
27.7 kilometers = 2.77 × 10^6 centimeters
So, 27.7 kilometers = 27.7 × 100000
= 2.77 × 106 or 2770000 centimeters.
 
        
             
        
        
        
Answer:
Size and Temperature or E & B
Explanation:
 
        
                    
             
        
        
        
Speed of light is 3.0*10^8 
frequency = wavelength / speed 
= 1400 Hz
        
             
        
        
        
Answer:
Lithium selenide Lithium selenide (Li2Se) 12136-60-6 Dilithium selenide lithium selenidolithium 
Molecular Weight	92.9 g/mol
Dates	Modify 2020-11-15 Create 2005-08-08
 
        
                    
             
        
        
        
Answer:
the answer is 4.0moles
Explanation:
1mole of O2 produce 2moles of H2O/x mole will produce 8.0moles of H2O then the answer is 4.0moles.