Question

Significant figures in 0.030600

Answer 1

these have 7 significant figures
because zero after decimal point are significant ant those which are before non zero digit are also significant

Answer 2

0.030600 = 3.0600 × 10^-2

In the numerical portion we have 5 significant digits.

So, there are 5 significant figures in 0.030600.

Rules for Determining the Number of Significant Figures -

• All the non zero numbers are included as significant figures.

• A zero becomes significant if it comes between two non zero numbers.

• If any notation is given in exponential form then the numerical portion is counted as the significant figure.

• A decimal can't change the number of significant figures.