sig figs
the number of sig figs in the number below
240
2
used in front of a neutral unit to change its value
prefix
the exponential form for milli
10-3
A way to express a very large number or a small number in a suitable fashion
scientific notation
the number of sig figs in the number below
0.03410
4
The process of a rough calculation, approximation or judging the value or size of something
estimation
the prefix for 10-9
nano
the number of digits that can be in front of the decimal point in scientific notation
1
the zeros that don't count in a sig fig
leading zeros or trailing zeros without a decimal point
the type of error that is consistent and repeatable and associated with flawed equipment or experiment design which can be corrected by calculations
systematic
the prefix for 103
kilo
25 in scientific notation
2.5x101
the number of sig figs in the number below
84580000000.
11
the type of error caused by unpredictable, unknown changes in measurement instrument, procedure or environmental factors which cannot be corrected by calculations
random
the symbol for the prefix tera
T
the standard decimal notation for the number written in scientific notation below
9.87x10-3
0.00987
the number of sig figs in the number below
0.000372960
6
how close the measured value agrees with the true value vs. how repeatable the measured values are
accuracy vs. precision
the number of meters in .002 km
2
the exponent showing the number of places the decimal point is moved in the number below
0.000083294
10-5