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n200080 [17]
3 years ago
12

How many significant figures does the number 0.00650 have?

Chemistry
2 answers:
Gre4nikov [31]3 years ago
5 0
There are three of them
Arte-miy333 [17]3 years ago
5 0

Answer:

3

Explanation:

For decimals, you always start at the first non-zero number and count all the way to the end of the number. To count the number of significant figures this number has, you start at 6 and count every number after that for a total of 3.

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A typical thickness for a sheet of paper is 0.004 inches. If you fold a sheet of paper once, the thickness of the folded paper w
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Answer:

Please see the pictures attached below

The first picture has the values and the second has the formulas to construct the spreadsheet.

Explanation:

To construct the spreadsheet you should do the following:

1. First name the four columns as:

Number of folds

Thickness in inches

Thickness in feet

Thickness in miles

2. In the first column "Number of folds" put the numbers from 0 to 50 in order to calculate the thickness of each fold.

3. In the second column "Thickness in inches" put the following formula to show that each fold of a sheet is equal to multiply by 2 the original fold:

Thickness in inches = (thickness in inches(number of folds-1))*2

When the number of folds is 1, the formula will be:

Thickness in inches = 0.000 * 2 = 0.000

When the number of folds is 2, the formula will be:

Thickness in inches = 0.004 * 2 = 0.008

When the number of folds is 3, the formula will be:

Thickness in inches = 0.008 * 2 = 0.016

When the number of folds is 4, the formula will be:

Thickness in inches = 0.016 * 2 = 0.032

And so on until 50.

3. In the third column you only multiply by 0.08333 the value of inches to convert it to feet.

4. And in the fourth column you should multiply the value of inches by 0.0000157828 to convert it to miles.

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3 years ago
What is the simplest whole number ratio of atoms in a molecule or formula unit called?
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3 years ago
2 atm of pressure would be equal to ____________ mmHg.
Ahat [919]

Answer:

1520 mmHg

Explanation:

Let's solve this by a factor conversion:

1 atm → 760 mmHg

2 atm . 760 mmHg / 1 atm = 1520 mmHg

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