Sig Figs Flashcards
1
Q
If the decimal is present
A
Start at the left, after the 1st nonzero number count everything
2
Q
If there is no decimal
A
Start at the right, after the first nonzero number count everything
3
Q
In scientific notation
A
n is the the number with sig figs ex. n * 10^4
4
Q
When mult/div
A
Round to the least amount of sig figs
5
Q
When add/sub
A
Round to the least precise measurement
6
Q
Exceptions
A
Counting numbers, equalities/conversion factors, and any #’s in any equation
7
Q
Sig figs are used when
A
Taking a measurement
8
Q
Accuracy
A
How close the measured value is to the actual value
9
Q
Precise
A
How close several measurements are to one another
