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bulgar [2K]
3 years ago
14

Which of the following masses is/are equivalent to seventy billion metric tons?

Chemistry
1 answer:
ale4655 [162]3 years ago
5 0
The correct answer is 70,000 million metric ton. 
Seventy billion metric ton = 70, 000,000,000 = 70 * 10^9
70,000 million metric ton = 70,000 * 10^6 = 70 * 10^9
Thus, seventy billion metric ton is equivalent to 70,000 million metric ton.
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Answer : The correct option is "record 10.00 ml in the notebook after using it."

Explanation :

If an instrument has "10 mL TD" written on it, that means the instrument is meant To Deliver (TD) 10 mL of volume.

Therefore the option that has 5.00 mL is not correct.

"+/- 0.01 mL" indicates the precision of the instrument. We know that no measurement is 100% accurate and there is always some uncertainty associated with any measurement.

Here, 0.01 indicates the uncertainty in the measurement.

When we have 0.01 mL , that means the instrument can record precisely to the hundredths place.

The more the significant figures, the greater is the accuracy of the measurement.

Therefore when we use an instrument that has "+/- 0.01 mL" written on it, we should record the reading as 10.00 mL  


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