Which of these is a physical property? malleable, flammable, ability to decompose, ability to rust

Malleable

the rest are chemical properties

First off, flammability, rusting, and decomposition are chemical properties because a chemical property is when the chemical composition gets edited. So that leaves the last option of malleability. So your answer would be:

A. Malleable

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

there are two significant figures.