 Pearson Malaysia Sdn Bhd Form 4 Chapter 1: Standard Form.

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Presentation transcript:

 Pearson Malaysia Sdn Bhd Form 4 Chapter 1: Standard Form

 Pearson Malaysia Sdn Bhd All non-zero digits in a number are significant figures. Number Number of significant figures

 Pearson Malaysia Sdn Bhd Zeroes that lie between non-zero digits are significant figures. Number Number of significant figures

 Pearson Malaysia Sdn Bhd Zeroes that lie on the right of a non-zero digit in a decimal are significant figures. Number Number of significant figures

 Pearson Malaysia Sdn Bhd Zeroes that lie on the left of a non-zero digit in a decimal less than 1 are non-significant figures. Number Number of significant figures

 Pearson Malaysia Sdn Bhd Zeroes at the end of a whole number are non-significant figures except stated otherwise. Number Number of significant figures

 Pearson Malaysia Sdn Bhd Correct to three significant figures Count three significant figures starting from left. Step 1:

 Pearson Malaysia Sdn Bhd 2 > 5 If it is 5 or more  add 1 to the figure on the left. Check the figure on the right of the line: Step 2: + 1 Correct to three significant figures If it is less than 5  do not change the figure on the left.

 Pearson Malaysia Sdn Bhd Step 3: Correct to three significant figures Replace the figure on the right side of the line with “0”. 0

 Pearson Malaysia Sdn Bhd Correct to two significant figures Count two significant figures starting from left. Step 1:

 Pearson Malaysia Sdn Bhd < Correct to two significant figures If it is 5 or more  add 1 to the figure on the left. Check the figures on the right of the line: Step 2: If it is less than 5  do not change the figure on the left.

 Pearson Malaysia Sdn Bhd Keep all the figures on the left side of the line. Step 3: Correct to two significant figures Replace all the figures on the right side of the line with “0”.

 Pearson Malaysia Sdn Bhd We need two significant figures, thus do not put “0” after the decimal as it will be counted as extra significant figures. Correct to two significant figures

 Pearson Malaysia Sdn Bhd