contestada

A hardware salesman measures the mass of a box containing
1000
washers. The mass is
0.4168
kg
. What is the mass of a single washer in milligrams? Write your answer as a decimal.

Respuesta :

In this question, the box with 1000 washers has 0.4168kg mass. Then, to find the mass of a single washer you need to divide the mass with the number of washers. Then, you need to convert the unit into milligrams(1kg= 10^6mg)
It would be 0.4168 kg / 1000 * 10^6 milligram/kg= 4168mg.
calculista

Step [tex]1[/tex]

find the mass of a single washer

Divide the total mass by the number of washers

[tex]\frac{0.4168}{1000} =0.0004168\ Kg[/tex]

[tex]0.0004168kg=4.168*10^{-4} kg[/tex]

Step [tex]2[/tex]

Convert kg to mg

we know that

[tex]1 kg=1*10^{6} mg[/tex]

so

[tex]4.168*10^{-4}*10^{6} =4.168*10^{2}mg=416.8 mg[/tex]

therefore

the answer is

[tex]416.8 mg[/tex]

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