Answered: Calculate to the correct number of sig…

Calculate to the correct number of sig fig and correct unit: (3.26 * 10-3mg)-(7.88 * 10-5mg) (4.02 * 106 dm)+(7.74 * 107dm)

Chemistry In Focus

6th Edition

ISBN:9781305084476

Author:Tro, Nivaldo J., Neu, Don.

Publisher:Tro, Nivaldo J., Neu, Don.

Chapter2: The Chemist’s Toolbox

Section: Chapter Questions

Problem 3SC

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Concept explainers

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

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Calculate to the correct number of sig fig and correct unit:

(3.26 * 10^-3mg)-(7.88 * 10^-5mg)

(4.02 * 10⁶ dm)+(7.74 * 10⁷dm)

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