4. What is the number of significant figure in (3.20 + 4.80) x10^5?
(a) 5
(b) 4
(C) 3
(d) 2.
Answers
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3
Answer:
option c )3
Explanation:
- (3.20+4.80)×10^5
- 8.00×10^5
therefore, no.of SF = 3
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