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CBSE
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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
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MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 8
/
Maths
/
Exponents and Powers
1.
The value of 2
^{-2}
is:
4
¼
2
½
2.
The multiplicative inverse of 7
^{-2 }
is:
7²
7
1/7²
1/7
3.
2² x 2³ x 2
^{4}
is equal to:
2
^{24}
2
^{-5}
2
^{9}
2
^{-9}
4.
3
^{-2}
x 3
^{-5}
is equal to:
3
^{-7}
3
^{-3}
3
^{-10}
3
^{7}
5.
5
^{4}
/5² is equal to:
5
^{6}
5
^{-6}
5
^{-2}
5²
6.
The value of (3
^{4}
)³ is:
3
3
^{12}
3
^{7}
None of the above
7.
3² x 4² is equal to:
121
49
144
156
8.
5
^{7}
/6
^{7}
will give the value:
(5/6)
^{7}
(5/6)
^{0}
(5/6)
^{-7}
(6/5)
^{-7}
9.
100
^{0}
+20
^{0}
+5
^{0}
is equal to
125
25
1/125
3
10.
If (–3)
^{m+1}
× (-3)
^{5}
= (-3)
^{7}
, then the value of m is:
5
7
1
3
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Exponents and Powers
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