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The Earth's circumference in scientific notation is 4.007 5 X 10^7 m that's
40 075 000
It's comparing a characteristic to standard values or units.
Measurement
10 x 10^2 =
1 000
x^1 =
X
_____ x 10^-8 = 0.000000028
2.8
6.023 x 10^ _______ = 602 300 000 000 000 000 000 000
23
4.496 X 10^ _____ = 0.004496
-3
It represents the size of experimental error expressed as a percentage of the accepted value.
Percent error
97.5 X 10^-5 =
0.000 975
2.8 X 10^3 =
2 800
681.36488 X 10^-7 =
0.000 068 136488
84.394 x 10 ^9 =
84 394 000 000
X° =
1
It's a description of how close a measurement is to an accepted value.
Accuracy
Description of how similar or close repeated measurements are to each other.
Precision
SI unit prefix for 0.01
Centi
SI unit prefix meaning 1 000 000
Mega
SI base unit for length.
meter
SI base unit for temperature.
Kelvin
An interpretation of observations.
Explanation
A spoken or written summary of observations.
Description


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