Answered

Apply 4th law of exponent to 1. 6^-5 (5^2) / 3-4 , 2. (7^-4) (6^-2) / 2^5 , 3. 3^-8 / (2^-6) (3^-3) , 4. 7-4 / 8-2. Its 4 questions.

Sagot :

Jers15viz
1.6^-5(5^2)/3-4
5^2/6^5(-1)
25/7776(-1)
=-0.00321502057

2.(7^-4)(6^-2)/2^5
1/(7^4)(6^2)(2^5)
1/(2401)(36)(32)
=3.61539173e^-7

3.3^-8/(2^-6)(3^-3)
(2^6)(3^3)/3^8
(64)(27)/6561
1728/6561
=0.26337448559

4.7^-4/8^-2
8^2/7^4
64/2401
=0.02665556018