The amount of copper in a body that weighs 150 pounds in standard form is 1.4357 x 10^-5
Given,
The human body contains tiny amounts of copper.
The exact amount of copper is 2.3 x 20^-4 for a person weighing 150 pounds.
We need to find how much copper is in the body of a 150-pound person and write in standard form.
What is the standard form of a number?
It is a way of writing a number in a decimal number between 1 and 10 along with a power of 10.
Find the amount of copper in a body that weighs 150 pounds.
We have,
2.3 x 20^-4 for a person weighing 150 pounds.
Write 2.3 x 20^-4 in standard form.
2.3 x 20^-4 can be written as:
= 2.3/20^4
= 2.3 / 160000
= 0.000014375
= 1.4375 / 100000
We need a decimal point between 1 and 10 so,
1.4357 x 10^-5 is our answer.
Thus the amount of copper in a body that weighs 150 pounds in standard form is 1.4357 x 10^-5
Learn more about the standard form of a number here:
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