Question

Find the value of n for 52 times x 5 3times =5

Answer 1

Step-by-step explanation:

52n×53=59

Apply law of exponents xa×xb=xa+b

52n+3=59

⇒2n+3=9

2n=9−3

2n=6

n=3

(2)

8×2n+2=32

23×2n+2=25

Apply law of exponents xa×xb=xa+b

23+n+2=25

2n+5=25

⇒n+5=5

n=5−5

n=0