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MA_775_DIABLO [31]
3 years ago
8

What is 290 million in scientific notation?

Mathematics
2 answers:
Vilka [71]3 years ago
8 0

290 million = 290,000,000


 scientific notation would be 2.9 x 10^8

 the 8 comes from the number of spaces you need to move the decimal point to the left to get 2.9

professor190 [17]3 years ago
6 0
2.9 x 10 to the 2 power
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A phone company charges $0.50 per minute and a connection fee of $1. If you were to represent the total cost y of an x minute ca
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Answer:

Per minute value fee would be the slope of the line.

Step-by-step explanation:

Given:

Per minute charges by the phone company = $ 0.50

Connection fee (fixed) charged by company = $ 1.0

We have to represent the total cost in terms of y and also explain the slope of the line.

According to the question:

Let the number of minutes be "x" .

And the total cost charged be "y" .

So,

The total cost = (No. of minutes)(Per minute charge) + Connection fee

Re-arranging in term of x and y.

⇒ total\ cost = (no.\ of\ minutes)(per\ minute\ charge) + connection\ fee

⇒ y=0.50(x)+1   ...equation (i)

Slope- intercept form: y=m(x) +b  m is the slope and b is the y-is   intercept.

⇒ Comparing equation (i) with the slope- intercept form.

⇒ m=0.50  and  b=1

So,

The slope of the line is 0.50 which is also represented by the per minute value of the call.

Per minute value fee would be the slope of the line.

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Step-by-step explanation:

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Answer:

x=7

Step-by-step explanation:

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