Find the value of x in the following proportion:
1 answer:
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When you divide 6x10^24 by 8x10^8 you end up with
This simplifies to
Now this number is not written in scientific notation as it does not have its first digit before the decimal, so we must move the decimal of this one to the right.
To do that you must multiply the number by 10.
This means that the exponet of 10 must decrease by 1.
This makes the answer
42 inches of wire will cost 168 cents
Look at the pic to see how to set up the proportion.
Look at the pic to see how to set up the proportion.