Chemistry, asked by Fajofreddy1, 10 months ago

how many significant figures should be present in the following calculations a)943 multiplied to 0.00345 b) (816 multipied to 0.02456) +215.67 c) 1.35 multiplied to 10power-6 multiply0.4 and divided by 5.6

Answers

Answered by nagarjunachinni
0

Answer:(i) The answer of the calculation  

0.5785

0.02856×298.15×0.112​  

 will contain 3 significant figures as 0.112 contains 3 significant figures which is the lowest number of significant figures.

(ii) The answer to the calculation 5×5.364 will contain 4 significant figures as 5.364 contains 4 significant figures which are the lowest number of significant figures. Here, the exact figure 5 is not considered.

(iii) The answer to the calculation 0.0125+0.7864+0.0215 will contain 4 significant figures as the result will be reported to 4 decimal places.

Explanation:

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