How many . decimal places will there be in `0.5 xx 0.5 ?`

Without multiplying can you say how many decimal places will it have in (1.5)^3 .

How many decimal places would (0.3)^3 have?

How many millimeters are there in 25.0cm ?

What is the square of 0.5 ?

How many times 3 is 9 ?

The ionization constant of benzoic acid is 6.46 xx 10^(-5) and K_(s p) for silver benzoate is 2.5 xx 10^(-13) . How many times is silver benzoate more soluble in a buffer of pH 3.19 compared to its solubility in pure'water?