Question

What is the simplified form of the following expression? (n^5)(n^2)

a. n^25
b. n^10
c. n^7
d. n^3

Answer 1

remember the exponential law that says

`( x^(m)) (x^(n))=x^(m+n)`
therefor

`( n^(5)) (n^(2))=x^(5+2)=x^(7)`

the answer is C