Chemistry, 21.12.2019 08:31 faithclark0

60,250,000,000,000,000 km correctly expressed in scientific notation is *

60.25 x 10¹⁴ km
6.25 x 10¹⁵ km
6.025 x 10¹⁶ km
6.025 x 10¹⁷ km

Answers: 2

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I think the correct answer from the choices listed above is the third option. 60,250,000,000,000,000 km correctly expressed in scientific notation is 6.025 x 10¹⁶ km. Scientific notation is the way that scientists easily handle very large numbers or very small numbers. Hope this answers the question. Have a nice day.

Answer from: death2833

60,250,000,000,000,000 km correctly expressed in scientific notation is 6.025 x 10¹⁶ km

Explanation:

Scientific notation is a quick way to represent a number using base ten powers. This notation is used to express very large or very small numbers very easily.

The numbers are written as a product:

a*10ⁿ

where:

a is a real number greater than or equal to 1 and less than 10, to which a decimal point is added after the first digit if it is a number that is not an integer. n = an integer, which receives the name of exponent or order of magnitude. Represents the number of times the comma moves. It is always an integer, positive if it moves to the left, negative if it moves to the right.

To write very large numbers in scientific notation, as in this case, first move the decimal point to the left as many spaces until it reaches the right of the first digit, thus obtaining the value of "a" from the previous expression. In this case this is expressed as:

a=6.025

To get the exponent n of the previous expression, you simply count the amount of spaces that you moved the comma. So in this case n = 16

Finally, 60,250,000,000,000,000 km correctly expressed in scientific notation is 6.025 x 10¹⁶ km

Answer from: Quest

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

Answer from: Quest

The reaction 2kalsi3o8 + 2(h+ + hco3-) + h2o → al2si2o5(oh)4 + 2k+ + 2hco3- + 4sio2 shows that feldspar kalsi3o8 is chemically altered by hydrolysis to form chalky-looking clay mineral kaolinite al2si2o5(oh)4. the chemical breakdown of potassium feldspar due to exposure to acidic water results to the mineral binding with the water molecule to become kaolinite with silica and potassium and bicarbonate ions in solution.

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60,250,000,000,000,000 km correctly expressed in scientific notation is *

60.25 x 10¹⁴ k...