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Genrish500 [490]
3 years ago
11

An expression is shown

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
5 0

Answer:

Step-by-step explanation:

Adding the expressions in the numerator, we get:

6·10^(-5).

Then the given fraction appears like:

6·10^(-5)

-------------

3·10^7

First, we reduce 6/3, obtaining 2:

    10^(-5)

2 -------------

     10^(7)  

Since the bases are the same, we can rewrite these exponentials with that base (10) and single exponent 12, which is the sum of 5 and 7 and is in the denominator:

  2

---------

10^12

This matches the second possible answer choice.

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