Which of the following are rules for determining the number of significant figures? SELECT ALL THAT APPLY a All non-zero digits are significant. b All zeros between non-zero digits are significant. C All beginning zeros are not significant. d Ending zeros are significant if the decimal point is written.

The rules for determining the number of significant figures are:<br /><br />a. All non-zero digits are significant.<br />b. All zeros between non-zero digits are significant.<br />c. All beginning zeros are not significant.<br />d. Ending zeros are significant if the decimal point is written. <br /><br />Therefore, all options a, b, c, and d apply.