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Roman55 [17]
3 years ago
13

4.564000 x 10^-4 express how many significant figures

Chemistry
1 answer:
Vaselesa [24]3 years ago
5 0

Answer: 7

Explanation:

Before a number but after a decimal. The zeros at the end would usually mean that it doesn't count but since the numbers are before the zeros and after a decimal it's 7 sig figs

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Please help me with this question
Inessa05 [86]

From the calculation, the concentration in parts per billion is 6 ppb.

<h3>What is ppb?</h3>

The term ppb refers to the concentration of a substance in parts per billion. We obtain the ppb using the formula;

Mass of solute/ Mass of solution * 10^9

Now, 1L = 1000cm^3 = 1000 g

The concertation in ppb = 6 * 10^-6 g/1000 g * 10^9

= 6 ppb

Learn more about parts per billion:brainly.com/question/9179966

#SPJ1

4 0
2 years ago
Enter a formula in cell b7 to calculate the average value of cells b2:b6
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3 years ago
At the top of a hlgh mountaln, the welght of an object Is:
xxTIMURxx [149]
The last one because it’s higher
8 0
3 years ago
The stigma on the underside of the leaf allows________to move in and out of the leaf
Kobotan [32]

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4 years ago
Which is the best example of immiscible liquids?
Artist 52 [7]

The best example of immiscible liquids is

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Explanation:

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3 0
3 years ago
Read 2 more answers
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