Question

Q.13) Which of the following value is more precise ?
a)1.200*103 km b)1.20*103 km c)1.2*103 km d) 1200km​

Answer 1

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$\longrightarrow$$\sf{Option\:—\:A)\:1.200×10³\:km}$

Answer 2

The correct answer is (a) 1.200*103 km

• Since the relative error in the estimation of 1.200*103 km is the least, this estimation is generally exact.
• The estimation 1.200*103 km is most exact on the grounds that it is estimated with an instrument of least count.
• 1.200*103 km also has 4 significant figures.
• Significant figures of a number in positional documentation are digits in the number that are reliable and important to demonstrate the amount of something.