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Rama09 [41]
3 years ago
14

Which of the measurement contain three significant figure?

Chemistry
1 answer:
Hunter-Best [27]3 years ago
4 0

Answer:

The answer is explained below

Explanation:

The question is not complete.

The correct question should be like:

Which of the measurement contain three significant figure?

500

395

0.001

0.00100

1 × 10⁻³

5 × 10²

Answer:

The following are rules applied when considering significant figures:

i) All digits are significant excluding zero. E.g of significant digits are 1,2,3,4,5,6,7,8,9

ii) Any zero that appear within or after non zero digits are significant e.g. 200, 1004, 500009

iii) Zeros before non zero digits are not significant. An example shows significant digits bolded 001,  0.0012, 001.56

iv) Zeros that come after non zero digits are significant even if the number is in decimal form. An example shows significant digits bolded 1000,  0.001200, 001.5600

Therefore:

500: It contains three significant digits

395: It contains three significant digits

0.001:  It contains only one significant digits

0.00100: It contains three significant digits

1 × 10⁻³: 1 × 10⁻³ = 0.001.  It contains only one significant digits

5 × 10²: 5 × 10² = 500. It contains three significant digits

The measurements that contain three significant figure are 500, 395, 0.00100 and 5 × 10²

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