Question

(3/4)3*(-5/2)3*(2/3)5​

Answer 1

Answer:

(3/4)3*(-5/2)3*(2/3)5=

=(9/4)*(-15/2)*(10/3)

multiply

(9/4)*(-150/6)

(9/4)*(-24)

9*(-6)=(-54)

therefore answer is -54

Answer 2

Answer:





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Class 7

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>>Exponents and Powers

>>Using Exponents

>>Simplify the following and express as a

Question



Simplify the following and express as a rational number:

{(−3/4)3−(−5/2)3}×42

Easy

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Updated on : 2022-09-05

Solution



Verified by Toppr

We have,

={−33/43)−(53/23)}×16

={(−27/64)−(−125/8)}×16

First we find the difference of {(−27/64)−(125/8)}

LCM of 64 and 8 is 64

⇒(−27×1)/(64×1)=(−27/64)

and ⇒(125×8)/(8×8)=(1000/64)

Now,

=(1000−(−27))/64

=(1000+27)/64

=(973/64)

So,

=(973/64)×16

=(973/4)