Chemistry, 17.07.2019 10:10 Tristabergeron5650

Joseph divides 8.64 by 2.0. how many significant figures should his answer have? one two three five

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The answer should have B.) Two significant figures. This is because in a division problem, the number of significant figures in the answer is determined by the least number of significant figures. In this case, 2.0, which has 2 significant figures.

Answer from: Ezekielcassese

Answer should have two significant figure

Explanation:

There are two numbers here- 8.64 and 2.0

8.64 contains nonzero numbers 8,6 and 4. Hence it has 3 significant figures.

2.0 contains 0. But this zero is placed after decimal point. Hence, according to rule of counting significant figure, 2.0 has two significant figures.

Now, according to rule of determining significant figure in case of division, the final result should contain significant figure equal to any number of problem containing least number of significant figure.

Here 2.0 contains least number of significant figures i.e. 2

So answer should have 2 significant figure

$8.64\div 2.0=4.3$

Answer from: Quest

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

Answer from: Quest

The grandmother cell is a hypothetical neuronthat represents a complex but specific concept or object.[1] it activates when a person "sees, hears, or otherwise sensibly discriminates"[2] a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the gnostic neuron, was proposed two years later

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