Measurements Flashcards
(9 cards)
1
Q
Measurement
A
A quantity that has both a number and a unit
2
Q
Scientific Notation
A
A given number thats written as the product of two numbers, a coefficient and 10 raised to a power.
3
Q
Accuracy
A
how close a measurement comes to the true value of whatever is measured.
4
Q
Precision
A
how close a series of measurements are to one another.
5
Q
Significant figures in measurements
A
Includes all of the digits that are known, plus a last digit that is estimated.
6
Q
Zero in front of significant #’s
A
do not count zeroes
7
Q
zero’s after significant #’s
A
do not count zeroes
8
Q
zeroes after significant #’s with decimals
A
count zeros
9
Q
zeroes in front of decimals after significant #’s
A
count zeroes
