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iragen [17]
3 years ago
5

In chemistry class Charlie records volume of a liquid is 13.3 mL the actual volume is 13.6 mL what is the percent error? Round t

o the nearest percent
Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer: 2%

Step-by-step explanation:

The formula to calculate the percent error is given by :-

Percent error = \dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100

Given : The estimated volume =  13.3 mL

Actual volume =  13.6 mL

Then,  percent error will be:-

Percent error = \dfrac{|13.3-13.6|}{13.6}\times100

=\dfrac{0.3}{13.6}\times100\\\\=2.20588235294\approx2\%\ \ \text{[Rounded to the nearest percent]}

Hence, the percent error = 2%

Masteriza [31]3 years ago
5 0
Percent error is found using the formula, |experimental value - actual value|/ actual value * 100
so first that would be |13.3-13.6|, which is .3
then .3/13.6, which is .022
finally .022*100, giving you an answer of about 2.20
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A truck is being filled with cube-shaped packages that have side lengths of 1/4 foot. The part of the truck that is being filled
n200080 [17]

Answer:

24000 pieces.      

Step-by-step explanation:

Given:

Side lengths of cube = \frac{1}{4} \ foot

The part of the truck that is being filled is in the shape of a rectangular prism with dimensions of 8 ft x 6 1/4 ft x 7 1/2 ft.

Question asked:

What is the greatest number of packages that can fit in the truck?

Solution:

First of all we will find volume of cube, then volume of rectangular prism and then simply divide the volume of prism by volume of cube to find the greatest number of packages that can fit in the truck.

Volume\ of\ cube =a^{3}

                          =\frac{1}{4} \times\frac{1}{4}\times \frac{1}{4} =\frac{1}{64} \ cubic \ foot

                                   

Length = 8 foot, Breadth = 6\frac{1}{4} =\frac{25}{4} \ foot, Height =7\frac{1}{2} =\frac{15}{2} \ foot

Volume\ of\ rectangular\ prism =length\times breadth\times height

                                                =8\times\frac{25}{4} \times\frac{15}{2} \\=\frac{3000}{8} =375\ cubic\ foot

The greatest number of packages that can fit in the truck = Volume of prism divided by volume of cube

The greatest number of packages that can fit in the truck = \frac{375}{\frac{1}{64} } =375\times64=24000\ pieces\ of\ cube

Thus, the greatest number of packages that can fit in the truck is 24000 pieces.                                

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Step-by-step explanation:

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