The multiplication of −2(−5)(−3) is -30
The multiplication of numbers in brackets with negative signs takes a method whereby the signs are taken into account when performing the arithmetic operation.
From the given question, we are to multiply:
= - 2 × (-5) × (-3)
= +10 × (-3)
= -30 
Learn more about the multiplication of numbers here:
brainly.com/question/1755985
 
        
                    
             
        
        
        
Answer:
She will need 10.5 quarts
Step-by-step explanation:
ratio of yellow to blue paint = 3:2
7 ÷ 2 = 3.5
3 x 3.5 = 10.5 quarts
 
        
             
        
        
        
Answer:
120 Vials
Step-by-step explanation:
160/1and1/3
160/4over3
Multiply top by 3
480/4
120
 
        
             
        
        
        
Y is the base and x is the exponent