Correct Answer: 4.5
Explanation:
Given equation is
19 2 . 5 × 19 p = 19 7
Here it is in the form of a m × a n = a m + n
Here m = 2.5 , n = p, m+n = 7
=> 2.5 + p = 7
=> p = 7 - 2.5
=> p = 4.5
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