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Rama09 [41]
4 years ago
9

Please help me with this

Mathematics
1 answer:
AleksAgata [21]4 years ago
4 0
Count the number of digits after the first digit. this gives you the exponent on the 10. The first number in scientific form has the decimal point after the first digit.

For mercury there are 7 digits after the 5:-

So the Mercury answer is

5.7909175 * 10^7

Follow this procedure for the other planets

The answer for Venus is

1.08208930 * 10^8
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Answer:

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Step-by-step explanation:

2X+7=5X-8

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I'm going to put this into vertex form, which is y=a(x-h)^2+k

To do this, you use completing the square. Start by subtracting 1 from each side

-1+y=x^2+2x

Then, divide b (2) by 2 and square it. Add that number to each side. (normally when you complete the square, you take out the gcf of the right side of the equation before you do this. Then, you would multiply (b/2)^2 by the gcf before adding it to the left side. Since there is no gcf, we do not have to worry about this)

2/2=1
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Next, simplify the left side and factor the right side.

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This is vertex form. a=1, h=-1, and k=0

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