396 out of 2800 shirts are defected.
396/2800  * 100 = 14.1% of the shirts were defected 
        
                    
             
        
        
        
Answer:
0.347
Step-by-step explanation:
n = 3
p = 1/6
r = 1
Use binomial probability:
P = nCr pʳ qⁿ⁻ʳ
P = ₃C₁ (1/6)¹ (5/6)³⁻¹
P = 0.347
Or, using a calculator:
P = binompdf(n, p, r)
P = binompdf(3, 1/6, 1)
P = 0.347
 
        
             
        
        
        
Answer:
B.
Step-by-step explanation:
If you simple this expression we can see that 7/35 will simplify to 1/5 first. As for the exponents, you can write them out to make it easier to cancel, shown in the photo. 
 
        
             
        
        
        
Answer:
300
Step-by-step explanation:
X^2=10×10=100
3×100=300