Scientific Notation and Significant Figures

Question 1

What is Scientific Notation?

Answer 1

Is expressing values in form of ax10^n

Question 2

Rules for Scientific Notation

Answer 2

Move the decimal point behind the first “none zero” value. The # of places you moved becomes the value for “n”.

Question 3

When positive?

Answer 3

Move to the left +

Question 4

When negative?

Answer 4

Move to the right -

Question 5

Sig fig rule 1

Answer 5

1. Count all non-zeros

Question 6

Sig fig rule 2

Answer 6

2. Count zeros that occur between non-zeros

Question 7

Sig fig rule 3

Answer 7

3. Leading zeros are not significant

Question 8

Sig fig rule 4

Answer 8

a.) If there is a decimal, count them
b.) If there is no decimal do not count the trailing zeros (Arbitrary)

Question 9

(S.N) In x, /

Answer 9

round to the least significant figures

Question 10

(S.N) In +, -

Answer 10

round to the value with the least amount of place values.