How many significant figures are there in `6.02xx10^23`

How many significant figures are there in 4.003

(a) How many signifficant figures are there in '1.00 xx 10^6' ? (c) Give an example of molecule in which the empirical formula is 'CH_2 O' and the ratio of molecular formula weight and empirical formula weight is 6 .

Significant figures determine the accuracy of the measurement of a physical quantity. The radius of a sphere is given by R=1.03m . How many significant figures are there in it?

How many significant figures are there in each of the following numbers. (a) '1.00 xx 10^6' (b) '0.00010' (c) 'pi'

How many significant figures are there in the following number? 1.00 xx 10^(4)

How many significant figures are there in the following number? pi

How many significant figures are there in the following number? 24

How many significant figures are there in the following number? 205

How many significant figures are there in the following number? 1.026

How many significant figures are there in the following number? 0.0020