Indicate the number of significant figures in 5.67 x 10^2  need can anyone

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Give the orbital configuration of the phosphorus (p) atom.

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5