Question

8. Solve and find the value of n: 2^n-5 x 5^n-4 = 5​

Answer 1

Step-by-step explanation:

• 2^n-5×5^n-4=5
• 2^n-5×5^n-5×5^3=5
• (2×5)^n-5=5/125
• 10^n-5=23
• 10^n-5=23
• n-5=23-10
• n=13+5
• n=18

I hope it is helpful