5. Find the value of x
a.
(-2)* =-128
Answers
Answered by
1
Answer:
(-2)*=(-2)7
×=7
answer is 7
Answered by
3
-7
Step-by-step explanation:
=(-2)^x=128
(take LCM of 128)
=(-2)^x=-2^7
(equating the powers)
=x=7
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