Question

solve [5/8]^-7*[8/5]^-4​

Answer 1

Answer:

(5/8)^-3

Step-by-step explanation:

Here your solution...

(5/8)^-7 × (8/5)^-4

According to exponents rule we can reciprocal a number to make the base same.

(5/8)^-7 × (5/8)^4

In multiplication powers are added

(5/8)^-7+4

(5/8)^-3

Hope it helps you....

Mark the answer as brain list answer....

Answer 2

Answer:

[5/8]^-7=[0.625]^-7

=[26.8435456]

[8/5]^-4=[1.6]^-4

=[0.15258789]

[5/8]^-7*[8/5]^-4 = 26.8435456 * 0.15258789

= 4.09599998

[5/8]^-7*[8/5]^-4 = 4.09599998=

= 4.096 = [5/8]^-3