Exponential form of root 3^2y

Please remember

n

√

x

is written as

x

1

n

in exponential form

Hence

3

√

x

2

y

can written as

(

x

2

y

)

1

3

As

(

x

a

)

b

is nothing but

x

a

⋅

b

3

√

x

2

y

=

(

x

2

y

)

1

3

=

x

2

⋅

(

1

3

)

*

y

1

3

=

x

2

3

*

y

1

3

Step-by-step explanation:

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)