Which statement is correct?
A. a+0=0
B. a*0=1
C. a*1=1
D. a+1=1

I think it's c

Step-by-step explanation:

because  a*1=1

All of the other statements are incorrect because for one a+0=0 Only 0 can = 0

A*0=1? A number times 0 is always going to be zero

A+1=1? Only 0 is the only number that a number plus 0 is the same number

2/5

step-by-step explanation:

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons