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MCQ Questions for CBSE Class 12 with Answers
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MCQ Questions for CBSE Class 8 with Answers
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Quiz
CBSE
/
Class 8
/
Maths
/
Exponents and Powers
1.
(2° + 4
^{-1}
) × 2² is equal to
2
3
4
5
2.
(2
^{-1}
+ 3
^{-1}
+ 5
^{-1}
)
^{0}
is equal to
2
3
5
1
3.
3
^{m}
+ 3
^{-3}
= 3
^{5}
⇒ m is equal to
1
2
3
4
4.
(-2)
^{m+1}
× (-2)
^{4}
= (-2)
^{6}
⇒ m =
0
1
-1
none of these.
5.
(-1)
^{50}
is equal to
-1
1
50
-50
6.
(-1)
^{51}
is equal to
-1
1
51
-51
7.
149600000000 is equal to
1.496 × 10
^{11}
1.496 × 10
^{10}
1.496 × 10
^{12}
1.496 × 10
^{8}
8.
300000000 is equal to
3 × 10
^{8}
3 × 10
^{7}
3 × 10
^{6}
3 × 10
^{9}
9.
0.000007 is equal to
7 × 10
^{-6}
7 × 10
^{-5}
7 × 10
^{-4}
7 × 10
^{-3}
10.
384467000 is equal to
3.84467 × 10
^{8}
3.84467 × 10³
3.84467 × 10
^{7}
3.84467 × 10
^{6}
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Exponents and Powers
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