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Standard X
Maths
Question
Evaluate
6.3
×
10
3
3
×
10
7
2
×
10
−
3
2.1
×
10
−
3
2.1
×
10
−
4
2
×
10
−
5
A
2
×
10
−
3
B
2.1
×
10
−
4
C
2
×
10
−
5
D
2.1
×
10
−
3
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Solution
Verified by Toppr
6.3
×
10
3
3
×
10
7
⇒
6.3
3
×
10
3
−
7
∴
2.1
×
10
−
4
Ans-Option
C
.
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