measured value 28.7053 cm, which has six significant figures. round the measurement to four significant…

measured value 28.7053 cm, which has six significant figures. round the measurement to four significant figures.\na 29 cm\nb 28.7 cm\nc 30 cm\nd 28.71 cm

measured value 28.7053 cm, which has six significant figures. round the measurement to four significant figures.\na 29 cm\nb 28.7 cm\nc 30 cm\nd 28.71 cm

Answer

Explanation:

Step1: Identify the fourth significant figure

The number is 28.7053. The fourth significant figure is 0.

Step2: Look at the next digit

The digit after the fourth significant figure is 5. According to rounding - off rules, when the digit to be removed is 5 and there are non - zero digits after it or it is followed by a non - zero digit in the original number, we round up.

Step3: Round the number

Rounding 28.7053 to four significant figures gives 28.71.

Answer:

D. 28.71 cm