Question

a) 7⁷÷7⁴
b) if x =4 .find x²-(2x+8)


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Answer 1

Step-by-step explanation:

a)

we know,

a^m÷a^n =a^m-n

7^7÷7^4

7^7-4

7^3

hope this is helpful to you

Answer 2

Answer:

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