In the United States, 15,000,000 households use private wells for their water supply. Write this number in scientific notation.
2 answers:
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This question simply asks for
which equals
to get our final answer,
to get our final answer,
Answer:
2/3
Step-by-step explanation:
Look at what you are getting on the right hand question. 10a +10b has a common factor that can be pulled out. It is 10
10a + 10b = 10(a + b)
Now look at the denominator
9x - 9y = 9(x -y)
There are a lot of possible answers.
Mine would be to multiply 3/5 * 10/9
so
(10a + 10b)/(9x - 9y) = 2/3