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whats the number of signifcant figures of each one? 2.46 × 2 714.3 - 18.56 29.3 ÷ (284...

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Question

Chemistry

whats the number of signifcant figures of each one?

2.46 × 2

714.3 - 18.56

29.3 ÷ (284 × 4.2)

485 ÷ 9.231

1.842 + 45.2 + 87.55

15.2 - 2.75 + 16.67

Answer & Explanation Solved by verified expert
4.3 Ratings (931 Votes)
1 do normal math first 246 x 2 492 now the rule is THE ANSWER CANNOT CONTAIN MORE SIGNIFICANT FIGURES THAN THE NUMBER BEING MULTIPLIED OR DIVIDED WITH THE LEAST NUMBER OF SIGNIFICANT FIGURES so the answer should contain 1 signigicant figure the answer is 5 2 first do the normal math 7143 1856 69574 now the rule is THE ANSWER    See Answer
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