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Determine the answer for the equation below with correct num…

Determine the answer for the equation below with correct number of significant figures: 3.215 x 13.2 ÷{“version”:”1.1″,”math”:”÷”} 0.218 = __________

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How many protons and electrons are present in the ion O2-?

How many protons and electrons are present in the ion O2-?

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The distance between the two hydrogen atoms in a molecule of…

The distance between the two hydrogen atoms in a molecule of water is 0.000 000 000 172 m. Express this distance in scientific notation.

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In multiplication or division calculations, the answer will…

In multiplication or division calculations, the answer will have the same number of decimal places as the number in the problem carrying the most decimal places.

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Suppose a thermometer has marks at every one degree incremen…

Suppose a thermometer has marks at every one degree increment (it is divided into ones), and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks. We should properly report the temperature measurement as:

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Theories are explanations; laws are descriptions.

Theories are explanations; laws are descriptions.

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How many cm3 are there in 2.5 m3?

How many cm3 are there in 2.5 m3?

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A fallacy is a mistake in reasoning, which may involve inval…

A fallacy is a mistake in reasoning, which may involve invalid form, or the use of irrelevant information. 

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To say that something is instrumentally valuable is to say t…

To say that something is instrumentally valuable is to say that it is

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In desire satisfaction theory, is there any guarantee that w…

In desire satisfaction theory, is there any guarantee that what we want is what will make us happy?

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