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Author Question: The measured mass of a sample of iron was 1.88 g. Which digit in the measurement has the least certainty? (Read 173 times)

kodithompson

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on: Feb 15, 2020

Question 1

Which of the following is an exact number?
◦ 3.60°C
◦ 9.25 liters
◦ 4 oranges
◦ 0.0.369 grams

Question 2

The measured mass of a sample of iron was 1.88 g. Which digit in the measurement has the least certainty?
◦ the first digit, 1
◦ the middle digit, 8
◦ the last digit, 8
◦ They are all certain digits.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by kodithompson on Feb 15, 2020

jasonq

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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kodithompson

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Reply 2 on: Feb 15, 2020
Excellent

zacnyjessica

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Reply 3 on: Yesterday
Wow, this really help

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