NCERT Solutions for Class 8 Maths Exercise 12.1

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NCERT solutions for Class 8 Maths Exponents and Powers

NCERT Solutions for Class 8 Maths Exponents and Powers

Class –VIII Mathematics(Ex. 12.1)

NCERT SOLUTION

1.  Evaluate:

(i)  (ii)  (iii)

Ans. (i)   =

=

(ii)

=

(iii)   =

=  = 32

2.  Simplify and express the result in power notation with positive exponent:

(i)

(ii)

(iii)

(iv)

(v)

Ans. (i)   =

=

(ii)

=

(iii)

=

=

=

(iv)

=  =  =

=

(v)

=   =

3.  Find the value of:

(i)

(ii)

(iii)

(iv)

(v)

Ans.

(i)   =

=  =

=

(ii)

=  =

=

=

(iii)

=

=  = 4 + 9 + 16 = 29

(iv)

=

(v)

=

=

4.  Evaluate:

(i)    (ii)

Ans. (i)

=

=

(ii)

=

5.  Find the value of  for which

Ans.

Comparing exponents both sides, we get

6.  Evaluate:

(i)  (ii)

Ans.

(i)

=

(ii)

=

=  =

=

7.  Simplify:

(i)

(ii)

Ans. (i)

=  =

(ii)

=

=

=  =

= 1  1  3125

= 3125

NCERT Solutions for Class 8 Maths Exercise 12.1

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12 thoughts on “NCERT Solutions for Class 8 Maths Exercise 12.1”

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