30-05-2017
Chemistry

contestada

The number of significant figures in 0.000820 g is?

Respuesta :

Аноним Аноним

30-05-2017

There are 3 sig figs. 8 and 2 are obvious. The ending 0 is significant because it is at the end of a decimal number, and doesn't have to be measured.

Answer Link

Otras preguntas

2 Which particle has a mass of approximately 1 atomic mass unit?(1) an alpha particle (3) an electron (2) a beta particle (4) a neutron

name two things that can cause a short circuit in your home?

This rectangle contains 17 identical grey squares. What percentage of the rectangle is shaded. How would you work this out.

please someone help me A multiplication problem has 4 positive factors and 1 negative factor. What is the sign of the product? A. negative B. positive

The tsunami that devastated large areas of SE Asia in 2004 is an example of what?

A bag contains 9 green marbles and 12 white marbles. In simplest form, what are the odds in favor of drawing a white marble? A. 4:7 B. 4:3 C. 1:7 D. 3:4

Classify the chemical reaction shown here: Mg + H2SO4 right arrow MgSO4 + H2 A. Combination B. Single replacement C. Decomposition D. Double replacement

9. Which one of these sentences contains a prepositional phrase? A. Trolls live under bridges; elves do not. B. Where did you find the papers that I lost? C. To

Why did thousands of Russian citizens march on St. Petersburg in 1905?

Why was there criticism of the New Deal in the USA in the years 1933 to 1939?