Counting gives an exact number and exact numbers have infinite sig figs.
<span>Henry divides 1.060 g by 1.0 mL to find the density of his water sample.
</span>He should include THREE significant figures in the density value that hereports.
It's called a compound because different elements are held together by a chemical bond.
Multiply 10.49 by 12.993. that should be it. 130 grams ish?