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2 years ago

12

Please help me in this question

1 answer:

quester [9]2 years ago

5 0

Answer:

m= 4

Step-by-step explanation:

(-5)^(m + 3) × (-5)^8 = (-5)^15
(-5)^(m + 3 + 8) = (-5)^15
(-5)^(m + 11) = (-5)^15
m + 11 = 15
m = 4

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