Questions
The respective number of significant figures for the numbers 23.023, 0.0003 and are
a
5, 1, 2
b
5, 1, 5
c
5, 5, 2
d
4, 4, 2
detailed solution
Correct option is A
The reliable digit plus the first uncertain digit is known as significant figures.For the number 23.023, all the non-zero significant, hence 5.For the number 0.0003, number is less than 1, the zero(s) on the right of decimal point but to the left of the first non-zero digit are not significant, hence 1.For the number 21×10-3, significant figures are 2.Talk to our academic expert!
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