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4 votes
Solve for x: 5^x/5^14=1/5^5

User Wdonahoe
by
5.3k points

2 Answers

2 votes

Answer:


(1 \\ )/(3125)

Solve for x: 5^x/5^14=1/5^5-example-1
User Hady Elsahar
by
3.8k points
6 votes

Answer:

x = 9

Explanation:

Law of exponents:


\sf (a^m)/(a^n)=a^(m-n)\\\\\\ (1)/(a^m)=a^(-m)


\sf (5^x)/(5^(14))=(1)/(5^5)\\\\5^(x -14) = 5^(-5)

Base are same. Compare the exponents.

x - 14 = -5

x = -5 + 14 {Addition property of equality}

x = 9

User Dignoe
by
4.5k points