Premium Online Home Tutors
3 Tutor System
Starting just at 265/hour
Answer :
We have given: \(5^m ÷ 5^{-3} = 5^5\).
\(\Rightarrow 5^{m-(-3)} = 5^5\quad\) [∵\( a^m ÷ a^n = a^{m-n}\)]
\(\Rightarrow 5^{m+3} = 5^5\)
Now, Comparing the powers of equal bases, we have
m + 3 = 5
\(\Rightarrow m = 5 – 3 = 2\), i.e., m = 2