I need help with both of these questions plz help
1 answer:
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First, you are going to want to get the terms to the same power of 10 in scientific notation. Realize that . Essentially, we have converted the
to a term with
. Now, we can subtract the values in each term that are not 10 as shown below:
Remember that we have to turn it back to scientific notation once we are done!
Our answer is the second choice, . (This is the closest answer to
.)