❤️❤️Evaluate and mention the law used pls freinds help me in this question ❤️❤️❤️❤️ pls no spam I want answer this is the second time I am asking this question pls anyone answer this question .
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Answered by
1
Step-by-step explanation:
bro.......
x^m × x^n = x^m+n
so... 5/7^4+(-6)
5/7^-2= 49/25
Answered by
1
Answer:
49/25
Step-by-step explanation:
Law of exponent— a^m × a^n = a^(m+n)
(5/7)^(4) × (5/7)^(-6) = (5/7)^(4+(-6))
= (5/7)^(4-6)
= (5/7)^(-2)
When we Reciprocal the number, the sign of the power will change.
= (7/5)²
Law of exponent—(a/b)^m = a^m / b^m
= 7² / 5²
= 49/25
Hope it helps you:)
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