Question

Answer fast please note in one paper please​

Answer 1

Answer:

(a) (-2/5)^8×(-2/5)^4=(-2/5)^x-1

8+4=x-1

12=x-1

x=13.

(b) (4/11)^x×(4/11)^8=(4/11)^15

x+8=15

x=15-8

x=7.

is correct answer.

Step-by-step explanation:

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