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Byju's Answer
Standard XII
Physics
Significant Figures in Sum
Evaluate: 3...
Question
Evaluate:
30
3
+
20
3
−
50
3
A
90000
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B
−
90000
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C
9000
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D
None of these
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Solution
The correct option is
A
−
90000
30
3
+
20
3
−
(
20
+
30
)
3
⇒
30
3
+
20
3
−
20
3
−
30
3
−
3
×
20
×
30
×
(
50
)
⇒
−
90000
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