Sig Figs and Scientific Notation

Question 1

Do leading zeroes count as significant figures?

Answer 1

No

Question 2

Do captive zeroes count as significant figures?

Answer 2

Yes

Question 3

Do trailing zeroes count as significant figures?

Answer 3

Only if the number contains a decimal

Question 4

What is the rule for exact numbers as it relates to significant figures?

Answer 4

they have an infinite number of significant figures

Question 5

Sig fig rule when multiplying or dividing?

Answer 5

answer will have the same number of sig figs as the limiting term

Question 6

Sig fig rule when adding or subtracting?

Answer 6

answer will have the same number of decimal places as the limiting term

Question 7

When rounding, always base it off of what number?

Answer 7

only first number to the right of the last significant figure

Question 8

Scientific notation rules when adding and subtracting?

Answer 8

write each number with the same exponent

Question 9

Scientific notation rules when multiplying or dividing?

Answer 9

multiply - add exponents

divide - subtract exponents