Question

there's a picture attached to this question, help me simplify it ​

Answer 1

Answer:

(5/2)^5 ÷ (2/5)^3

(5/2)^5 x (5/2)^3

(5/2)^5-3

(5/2)^2

25/4

Answer 2

Answer:

2. sol

Step-by-step explanation:

a^4×b^5×c^7/c^8×a^4×b^3

a^4×b^5×c^7/a^4×b^3×c^8

a^m/a^n=a^m-n

a^4-4×b^5-3×c^7-8

a^0×b^2×c^-1

a^0=1

1×b^2×c^-1

b^2×c^-1