Unit 2- Measurements, Math, and the Mole
Unit 2- Measurements, Math, and the Mole
Unit 2- Measurements, Math, and the Mole
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Rules for Counting Significant<br />
Figures - Details<br />
Zeros<br />
#4= Trailing zeros are significant<br />
only if <strong>the</strong> number contains a<br />
decimal point.<br />
Ex: 9.300 has 4 sig figs.<br />
Ex: 2000 has 1 sig fig (no decimal)<br />
Ex: 2000. has 4 sig figs (decimal)<br />
Ex: 0.02020 has 4 sig figs (decimal)