how are 0.66 and 0.066 different, how are they the same?

Question

I need to know the difference and how are they the same.

Answer 1

These numbers are different because they are different sizes.The number 0.66 is ten times the size of 0.066.

These numbers are alo similar in that they both have the same number of significant figures, i,e, the two digits 6.

Leading zeros are ignored where significant figures are being determined.