Which of hte following numbers does NOT have 2 significant figures? a 2300 b 0.000030 C 30. d 51.0

The correct answer is a) 2300.Significant figures are the digits in a number that carry meaningful information about its precision. In the case of 2300, the trailing zeros are not considered significant because they do not indicate the precision of the measurement. Therefore, 2300 has only one significant figure, which is 2.The other options have 2 significant figures:b) 0.000030 has 2 significant figures (30)c) 30. has 2 significant figures (30)d) 51.0 has 3 significant figures (51.0)