Asked by topperpranav | 12th Apr, 2009, 01:59: PM
1. has 2 significant figures
2.has 3 significant figures
3. has 4 significant figures etc.
First write the number in standard form. Then count the number of figures in the number, do not consider the powers of ten.
For example 480 cm = 4.80 x 10 ^-2 m
4800mm = 4.800 x 10^3mm = 4.800 m so this has 4 significant figures.
Answered by | 1st May, 2009, 02:12: PM
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