simplify and give reasons 1) (-2)7
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1
Answer:
−2)
7
=−128
Explanation:
Applyexponentrule:(−a)
n
=−a
n
,ifnisodd
\gray{\left(-2\right)^7=-2^7}(−2)
7
=−2
7
=-2^7=−2
7
\gray{2^7=128}2
7
=128
=-128=−128
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