How many significant figures are in each number?a. 0.1111

Problem 78EHow many significant figures are in each numbera. 0.1111 sb. 0.007 mc. 108,700 km 11d. 1.563300 × 10 me. 30,800AnswerStep 1 of 6Significant figure rules:Rule -1All nonzero digits are significant.Example - 28.03Rule -2Zeros between two non zero digits are significant.Example -408Rule -3Leading zeros are not significant. They only serve to locate the decimal point.Example -0.0032Rule -4Zeros at the end of a number are categorized as follows.Trailing zeros after a decimal point are always significantExample - 45.000Trailing zeros before a decimal point are always significantExample - 140.00Trailing zeros before an implied decimal point are ambiguous and should be avoided byscientific notation.\nExample :1200 - 4 significant figures1.2 × 10 - 2 significant figures 31.20 × 10 3 significant figures1.200 × 10 - 4 significant figures.