Answer:
n= -52/7
Step-by-step explanation:
7(n+8)=4
(7×n)+ (7×8)=4
7n +56=4
7n +56-56=4-56
7n+0= -52
7n=-52
7n/7= -52/7
n= -52/7
Answer:
10%
Step-by-step explanation:
(- 3/4) + (-3/8)
= (- 6/8) - 3/8
= negative 9/8
Answer:
11 is the atomic mass of the atom.
Step-by-step explanation:
To find atomic mass, add the amount of the protons and neutrons together.
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