Select the correct answer. What is the solution to the problem expressed to the correct number of significant figures?

(102,900 ÷ 12) + (170 × 1.27) = ?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Compare and contrast physical changes with chemical changes.

In apex! a liquid heated beyond a certain temperature becomes