The sum of three numbers is 27 the second number is three times the first while the third is twice the first find their average
1 answer:
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When you multiply two powers of the same base, you sum the exponents:
So, in this case,
Now, negative exponents works like positive exponents, except you have to invert the number: i.e.
So, you have
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Hope this helps you
Hope this helps you
Using the surface area of the sphere, it is found that the radius of the bearing that Helen needs to buy is of 6 millimeters.
<h3>What is the surface area of a sphere?</h3>The surface area of a sphere of radius r is given by:
In this problem, we have that:
Hence:
r = 6.
The radius of the bearing that Helen needs to buy is of 6 millimeters.
More can be learned about the surface area of a sphere at brainly.com/question/21207980
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