C4 binomial expansion help Watch

Vorsah
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How would I write 0.997005599 in standard form?
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AWJChadders
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(Original post by Vorsah)
How would I write 0.997005599 in standard form?
9.97005599*10^-1


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Vorsah
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(Original post by AWJChadders)
9.97005599*10^-1


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In the book it says 9.97005599*10^-10, is that wrong?
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benplumley
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1 \leq units <10
(Original post by Vorsah)
In the book it says 9.97005599*10^-10, is that wrong?
Yes, that's a mistake. [Wolfram Alpha]
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Vorsah
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I need help with 9B

I expanded to get 1 + 0.01 - (0.01)^2/2

But don't know how to solve it without a calc.
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Vorsah
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Need help with Q10

I expanded to get 1 - 4x - 8x^2 - 32x^3

I subbed in x= 0.01 and got 0.959168, which isn't the correct answer.
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brianeverit
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(Original post by Vorsah)
I need help with 9B

I expanded to get 1 + 0.01 - (0.01)^2/2

But don't know how to solve it without a calc.
It's just basic arithmetic.
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