On a certain hot summer's day, 269 people used the public swimming pool. The daily prices are 1.50 for children and 2.00 for ad
1 answer:
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From the problem :
In multiplying expressions with the same bases, the exponent will be added accordingly.
For example :
the exponent of a are m and n, and the product will be a raised to the sum of m and n.
Applying this to the problem, we have :
The answer is d. 6^-1