nnekamarkdmnss nnekamarkdmnss

01-12-2020
Mathematics

contestada

answer plz i need help

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

Respuesta :

AnastasiaTJ AnastasiaTJ

01-12-2020

Answer:

1.) -3

2.) 20

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

Step-by-step explanation:

2.) 5*2 is 10

2*-5 is -10

10-(-10) =20

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

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

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