What is...Significant figures

Rounding

100

Round 345 to 1 significant figure  

What is 300 

200

round 245600 to 4 sig figs 

245600

300

6009.006 to 5 sig figs 

What is 6009.0 

400

Round .0034578100 to 4 significant figures

What is .003458

500

If 627.45/3.28= 191.2957317, then what is the rounded answer? 

What is 191 

Identifying#of Sig Figs

100

how many sig figs are in 988076453890000

what is 11

200

how many sig figs are in 001.00087364500

what is 12

300

0.0000010000001?

what is 8

400

how many sig figs in 3x10

what is 1

500

how many sig figs are in 4560x1018

4,642,080 what is 6