State the number of significant figures in (i) 0.007 m^(2) (ii) 2.64 xx 10^(24) kg (iii) 0.2370 g cm^(-3) (iv) 0.2300m (v) 86400 (vi) 86400 m

State the number of significant figures in (i) 0.007 m^(2) (ii) 2.64

1.	State the number of significant figures in (i) 0.007 m^(2) (ii) 2.64 xx 10^(24) kg (iii) 0.2370 g cm^(-3) (iv) 0.2300m (v) 86400 (vi) 86400 m
Answer» Solution :(i) 1, (ii) 3, (III) 4, (iv) 4, (v) 3, (vi) 5 SINCE it comes from a MEASUREMENT the last TWO zeros become significant.