Question

please give me the answer of the 15 ,16 and 16​

Answer 1

Answer:

Q 15} a). (+a)

b) (-13)

c) 0

d)(-12)

Q 16} The only factor of 1 is 1. A prime number has exactly two factors so 1 isn't prime. A composite number has more than 2 factors, so 1 isn't composite.

Step-by-step explanation:

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