Question

Answer plz i need help

if m=2 and n=-5
find the value of
m+n
5m-2n
n^m

Answer 1

1.) -3

2.) 20

3.) is either - 25 or just 25 (depends if you have parentheses around the -5)

Explanation:

2.) 5*2 is 10

2*-5 is -10

10-(-10) =20

3.) parentheses: (-5)^2 = 25

w/o parentheses: -5^2 = -25