8th Standard CBSE Syllabus & Materials
8th Standard CBSE
CBSE 8th Social Science Theme D - Factors of Production - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Social Science Theme C - Universal Franchise and India's Electoral System - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Social Science Theme B - The Rise of the Marathas - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Social Science Theme B - Reshaping India's Political Map - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Social Science Theme A - Natural Resources and Their Use - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Science Keeping Time with Skies - New Model Questions Papers Study Material - QB365 Set A

Published on: 24/08/2019
Exponents and Powers
Download CBSE Class 8th Standard CBSE Mathematics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 8th Standard CBSE Mathematics
Questions + Answers key
Take MCQ Mathematics Test

1.
(-1)50 is equal to
-1
1
50
-50
2.
The multiplicative inverse of 105 is
5
10
10-5
105
3.
In 102, the base is
1
0
10
100
4.
Which of the following is the reciprocal of \({ \left( \frac { -3 }{ 4 } \right) }^{ 0 }\)?
-1
1
\(\frac { -4 }{ 3 } \)
\(\frac { 4 }{ 3 } \)
5.
\({ \left[ { \left( \frac { 1 }{ 2 } \right) }^{ -1 }+{ \left( \frac { 2 }{ 3 } \right) }^{ 2 }-{ \left( \frac { 3 }{ 4 } \right) }^{ 0 } \right] }^{ 2 }\) is equal to:
\(\frac { 81 }{ 484 } \)
\(\frac { 81 }{ 169 } \)
\(\frac { 169 }{ 81 } \)
\(\frac { 16 }{ 81 } \)
6.
Which of the following is the value of 'm' in 6m\(\div \) 6-3 = 65
-3
-2
3
2
7.
For a non-zero integer x, x7÷x12 is equal to
x5
x3
x4
x-5
8.
The value of 35÷ 3-8 is
313
3-13
3-3
33
9.
The reciprocal of \((\frac{3}{7})^{-1}\)is
\(\frac{7}{3}\)
\(-\frac{3}{7}\)
\(-\frac{7}{3}\)
\(\frac{3}{7}\)
10.
In 3n, n is known as
base
constant
exponent
variable
11.
The value of [2-1 +3-1 +4-1 +5-1]0 is _____________
12.
The standard form of \(\frac{1}{10000000000}\) is ____________
13.
The value of(4-1 + 2-1 + 3-1)1 is _____________
14.
a13 x a-10 = _________
15.
The multiplicative inverse of 1010 is ____________
16.
\((\frac{7}{9})^{-2}\times (\frac{7}{9})^{-8}=(\frac{7}{9})^{16}\)
17.
\(a^{m}\times a^{n}=(ab)^{mn}\)
18.
(-8)-2 x(-8)-3 =(-8)-5
19.
The reciprocal of \((\frac{3}{2})^{3}\) is not equal to \((\frac{3}{2})^{-3}\)
20.
The multiplicative inverse of (- 3)2 is 3-2.
21.
The value of: \({ \left[ { \left( \frac { 1 }{ 2 } \right) }^{ -3 }-{ \left( \frac { 1 }{ 3 } \right) }^{ -1 } \right] }^{ 2 }\)
22.
The standard form of \(\frac { 1 }{ { 10 }^{ 100 } } \)
23.
(25÷28) X 2-7
24.
\(((\frac{-2}{3})^{-2})^{3}\times (\frac{1}{3})^{-4}\times 3^{-1}\times \frac{1}{6}\)
25.
\((\frac{1}{4})^{-2}+(\frac{1}{2})^{-2}+(\frac{1}{3})^{-2}\)
1.
(-1)even natural number = 1
2.
105.10-5 = 105 - 5 = 100 = 1.
3.
(c)
10
4.
(b)
1
5.
(b)
\(\frac { 81 }{ 169 } \)
6.
(d)
2
7.
(d)
x-5
8.
(a)
313
9.
(d)
\(\frac{3}{7}\)
10.
(c)
exponent
11.
( )
1
12.
( )
10-10
13.
( )
\(\frac{12}{13}\)
14.
( )
a3
15.
( )
10-10
16.
(b)
17.
(b)
18.
(a)
19.
(b)
20.
(b)
21.
( )
25
22.
( )
10-100
23.
( )
2-10
24.
( )
\(\frac{3^{8}}{2^{7}}\)
25.
( )
29
8th Standard CBSE Syllabus & Materials
8th Standard CBSE
CBSE 8th Science Particulate Nature of Matter - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Science Pressure, Winds, Stroms and Cyclones - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Mathematics Quadrilaterals - New Model Questions Papers Study Material - QB365 Set A
NEW8th Standard CBSE
CBSE 8th Mathematics A story of Numbers - New Model Questions Papers Study Material - QB365 Set A
CBSE 8th Standard CBSE Subjects
CBSE Standards