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Exponents and Functions
You have already used exponents to write numbers.
Note: 4^{2}=4*4=16
Here 2= Exponent , 4=Base and 16 is Power .
Example1: Use an exponent to rewrite xxxx.
Solution : x is used as a factor four times, therefore
You can multiply powers when the bases are the same.
Steps :
1.Rewrite each power as the product of factors .
2.Now, see how many times each base is used as a
factor .
Example: Multiply b^{2} . ab
Solution :
step1: bb . ab
Step2: abbb
Now rewrite with an exponent
ab^{3}
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