Class
6
th
7
th
8
th
9
th
10
th
11
th
12
th
Close
Find the unknowns using law of exponents
1) Find the value of x in 2
x – 5
× 5
x – 4
= 5
2
5
7
9
1/10
Solution
Answer:
5
Explanation:
2
x – 5
× 5
x – 4
= 5
2
x – 5
× 5
x – 4
= 2⁰ × 5¹
x - 5 = 0, x - 4 = 1
x = 5
Take a break!
You have watched Screen for 30 minutes, please relax your eyes by watching any other object at 20 feet for 20 secs.
