Question

I don't understand significant figures

is the following correct ?

0.32 has 2 sf
0.00700 has 3 sf
10.09x10^4 has 4 sf
0.375x10^2 has 3 sf
370. has 3 sf
37000 has 2

Answer 1

yes all are correct @1234abdc

Answer 2

can you please explain the ones with the x10^ ?

Answer 3

the numbers which are written before (x 10^) all are significant figures .

Answer 4

but what if I write like
100900 ? it's still four no ? I don't count the last two zeros

Answer 5

yes

Answer 6

okay thank you