Question

) Evaluate the following product with actual multiplication b) 50 1/2 ×4.9 1/2​

Answer 1

Answer:

24. Assertion: A gas exerts pressure on the walls of the container.

Reason: Rate of diffusion of gases is more than that of liquids.

Answer 2

Answer:

50

2

1

×49

2

1

=(50+

2

1

)(50−

2

1

)

We know suitable idenitities (x+y)(x−y)=x

2

−y

2

∴(50+

2

1

)(50−

2

1

)

=(50)

2

−(

2

1

)

2

=2500−

4

1

=

4

10000−1

=

4

9999

=2499

4

3

Step-by-step explanation:

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