Question

Which of the following is accurate ?

calcium and phosphorus are stored inside the bones.

calcium and phosphorus are store in the blood

calcium and sodium are stored inside the bones

calcium and phosphorus are stored inside the muscles​

Answer 1

Answer:

Accuracy is determined by the number of significant figures. Higher the significant figure more is the accuracy.

9.000 m has 4 significant figures thus its most accurate.

Hence, the correct answer is option D.