Math, asked by mecwankhushi, 4 months ago

7. Simplify and express the result in power
notation :
(1). [2/3]^3
(2). [4/5]^4
(3). [X/2]^-5

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purshigowda7353: yes

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Answers

Answered by purshigowda7353

Answer:

1. 8/27

2. 256/625

3. x^-5/32

Answered by nariseamalavathi

Step-by-step explanation:

1.(2/3)³

=2³×1/3³. [(a/b)ⁿ=aⁿ/bⁿ]

= 2³×3-³. (a-ⁿ=1/aⁿ)

2. (4/5)⁴

=4⁴/5⁴

=4⁴×1/5⁴

=4⁴×5-⁴

3. (x/2)^-5

=(2/x)^5. (a-ⁿ=1/aⁿ)

=2^5/x^5

=2^5×1/x^5

=2^5×x^-5

nariseamalavathi: u had kept the same question 2nd know in that i will

nariseamalavathi: okk

mecwankhushi: thanks

nariseamalavathi: welcome

mecwankhushi: can you send the photo again

mecwankhushi: plz

nariseamalavathi: i had kept

nariseamalavathi: but the question is y have reported my answers

nariseamalavathi: is that you who reported my answers

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7. Simplify and express the result in powernotation :(1). [2/3]^3(2). [4/5]^4(3). [X/2]^-5​