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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
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MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Exponents and Powers
1.
The multiplicative inverse of 2-3 is
2
3
3
2³
2.
The multiplicative inverse of 10
^{5}
is
5
10
10
^{-5}
10
^{5}
3.
The multiplicative inverse of \(\frac{1}{2^2}\) is 22
2
^{5}
2²
2
1
4.
The multiplicative inverse of 10
^{10}
is
10
\(\frac{1}{10}\)
10
^{-10}
10
^{10}
5.
The multiplicative inverse of am is
a
m
a
^{m}
a
^{-m}
6.
5³ × 5
^{-1}
is equal to
5
5³
5
^{-1}
5²
7.
(- 2)
^{-5}
x (-2)
^{6}
is equal to
2
-2
-5
6
8.
3² × 3
^{-4}
× 3
^{5}
is equal to
3
3²
3³
3
^{5}
9.
(-2)
^{-2}
is equal to
\(\frac{1}{4}\)
\(\frac{1}{2}\)
-\(\frac{1}{2}\)
-\(\frac{1}{4}\)
10.
(\(\frac{1}{2}\))
^{-4}
is equal to
2
2
^{-4}
1
2
^{4}
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