Question

The overall energy change is 386 kJ.

What percentage of 1370 kJ is this?
Give your answer to two significant figures.

Answer 1

28 %

Explanation:

To find percents, you need to divide

386 / 1370 = 0.2817518248

0.2817518248 * 100 = 28.17518248%

Then round it

28.17518248 % = ~28 %