Significant Figures! Flashcards
Would all non-zeroes be sig figs?
Yes!
True or false
All zeroes that occur between non-zeros are NOT sig figs.
False!
Are leading zeroes significant?
No!
When are trailing zeros considered to be significant?
If there is a decimal!
How many sig figs are in 100000000?
One!
How many sig figs are in 10302?
5!
When adding or subtracting sig figs…..what must your answer be like?
It should have the amount of significant places as the one with the least significant places.
If both numbers have a decimal place….your answer should have the amount of decimal places as the number with the least.
What is 4.51 + 3? Significant form.
8!
What is 150.0 + 0.507? Significant form!
150.5
When multiplying or dividing sig figs, what should your answer be like?
Your answer must have the amount of sig figs that the number with the least sig figs has.
What is 815.991 × 324.6? Sig fig wise!
264,900