c)
3 points
c) Find the value of m for (125)m+3 = 5-3 = 515
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Answer:
Answer
5
m
÷5
−3
=5
5
⇒5
m
÷
5
3
1
=5
5
⇒5
m
×5
3
=5
5
⇒5
m+3
=5
5
⇒m+3=5
⇒m=5−3=2
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