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Angelina_Jolie [31]
3 years ago
15

Sally wants to find out the volume of water needed to fill her ice-cube tray. She can't find a measuring cup, but she does have

a ruler, so she measures the length, width, and depth of one of the holes in centimeters. Here is her calculation of the total volume. Label each number as exact, or not exact.
Chemistry
1 answer:
pochemuha3 years ago
5 0

Answer:

3.2 cm X 2.8 cm X 2.6 cm/ 1 cube - not exact

1 mL - exact

1 cm³ - exact

12 cubes/ 1 tray - exact

268.8 mL/tray - not exact

Explanation:

We can use the picture attached below to solve this problem. The first part is not exact because Sally is using a ruler to measure the cube which would have a margin of error, regardless of how small. The \frac{1ml}{1cm^{3} } is exact, since that is the actual accurate exchange. Next, since there are 12 cubes in a single ice tray this measurement is also exact. Lastly, since Sally's initial measurement of the cubes is not exact, then the final calculated value will also not be exact.

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Slimotosis
Flauer [41]

Answer:

Here's what I get  

Explanation:

A. Initial observation

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B. Independent variable

The independent variable is the one that the experimenter changes.

There are two independent variables: the rubbing with seaweed and the drinking of Dr. Kelp.

C. The dependent variable

The dependent variable is the amount of slime and odour.

D. The conclusion

Sponge Bob can conclude that rubbing the shell with seaweed and drinking Dr. Kelp removes the slime and odour.

However, this was a poorly designed experiment. He doesn't know if it is the seaweed or the Dr. Kelp that gives the result or if he must use both together. He should change only one independent variable at a time.

4 0
3 years ago
How far will a car go that is moving at 10 m/s in 1 hour
Airida [17]

Answer:

36,000 miles in one hour.

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4 0
3 years ago
Elements are simple ___
storchak [24]

Answer:

particles

atoms

broken

isotope

conductors

electricity

element

combined

3 0
3 years ago
What has research determined about the orbit of an electron around a nucleus
polet [3.4K]
Hello,

Here is your answer:

The proper answer to this question is that "e<span>ach sub-level electron type has a unique path where it will likely to be found".

If you need anymore help feel free to ask me!

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4 0
3 years ago
Read 2 more answers
HELP!!! WILL RECEIVE BRAINLIEST!!!!! What is the independent variable
ycow [4]
You kind of need to show more, but the independent variable would be something that you are changing to then measure the reaction, like the time left in for example.
3 0
3 years ago
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