How do you simplify #(-2)^4#?

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Answer 1 · 2016-01-23T10:12:07

#16#

#(-2)^4=-2*-2*-2*-2#

We know that #-*-##=+#

#(-2)^4=4*-2*-2=4*4=16#

Answer 2 · 2016-01-23T10:13:46

# (- 2 )^4 = 16 #

# (- 2 )^4 means (-2) xx (-2) xx (-2) xx (-2) #

now# (-2) xx (-2) =4 #

there are 2 'pairs' of # (-2) xx (-2 )#

# rArr (-2 )^4 = 4 xx 4 = 16 #