The following measurements are ranked from largest to smallest: 11.6 mg, 1021 µg, 0.6 kg, 0.31 mg.
true
false
question 5
1 micrometer (1 µm) equals:
10–3 m
10–6 m
103 m
106 m
question 6 (5 points)
what is the number of significant digits in the measurement 34.000 m?
2
3
4
5
question 7
decide which of the following prefixes is the smallest: centi-, milli-, deci-, or kilo-.
centi-
milli-
deci-
kilo-
question 8 (5 points)
all measurements are subject to some uncertainty.
true
false

Answer 4:  False

Explanation:  

The following measurement given above (11.6 mg, 1021 µg, and 0.000006 kg, 0.31 mg) is a false statement. Henceforth the right configuration of rank from biggest to littlest are 11.6 mg, 0.000006 kg, 1021 µg, and 0.31 mg. Since 11.6 mg = 11.6 mg, 0.000006 kg = 6 mg, 1021 µg = 1.021 mg, and 0.31 mg = 0.31 mg. Therefore regarding to the converted measurement (mg) the above given ranking was False. And the correct ranking (11.6 mg, 0.000006 kg, 1021 µg, and 0.31 mg) is valid.

Answer 5:  1 micrometer (1 µm) equals to 10-6 m

Explanation:

One micrometer (1 µm) additionally called a micron, is equivalent to 0.000001 (10-6) m. A measurement prefix is a unit prefix that goes before an essential unit of measure to demonstrate a various or division of the unit. Each prefix has its own unit image. Power of-10 prefix multipliers encourage the induction of other, regularly increasing convenient, distance units from the meter. As such one nanometer (nm) is equivalent to 10-9 m. One Angstrom unit (symbolized Ä) is equivalent to 10-10 m, or 0.1 nm.

Answer 6:   5 is the significant digits in the measurement of 34.000 m.

Explanation:  

Significant figures are the digits of a number that are important as far as exactness or accuracy. There are three principles on deciding how many significant figures are in a number: Non-zero digits are constantly critical. A last zero or trailing zeros in the decimal part just are significant. Whereas the three most regular base units in the decimal measuring standard are the meter, gram, and liter.

Answer 7:   milli

Explanation:  

milli-(m) is a unit prefix in the decimal measuring standard by a factor of one thousandth, which is (10−3). The metric prefix implies one thousand (1,000) since 1000 milli makes one meter. So from the given estimations, milli is the littler prefix. This prefix was proposed in "1793 and received in 1795", the prefix originates from the Latin mille, signifying "one thousand" (the Latin plural is milia). And also the prefix is a piece of the International System of Units (SI).

Answer 8:   True

Explanation:  

All estimations have a level of uncertainty paying to exactness and precision. This is brought about by two factors, the impediment of the estimating instrument (deliberate blunder) and the ability of the experimenter making the estimations (arbitrary mistake). However, estimation uncertainty is a parameter that is regularly ignored. It is a significant part of the estimation that influences quality, costs, choices, and dangers.  

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