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4 years ago

4 or less let it rest 5 or more add one more

Mathematics

1 answer:

beks73 [17]4 years ago

4 0

tenths is the first place after the decimal so we have to look at the hundredths place to determine if we need to round

2.839 3 is less then 5 so leave it alone 2.8

2.764 6 is greater than 4 so 2.8

36.89 9 is greater than 4 so 36.9

1,534.739 4 is less than 5 so 1534.7

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3 years ago

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Nana76 [90]

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2 years ago

Write the expression in standard form. 2/(2-15i)

Eva8 [605]

<h3>Answer:</h3>

d. 4/229 +30/229i

<h3>Explanation:</h3>

Multiply numerator and denominator by the conjuate of the denominator, then simplify.

$\dfrac{2}{2-15i}=\dfrac{2}{(2-15i)}\cdot\dfrac{(2+15i)}{(2+15i)}=\dfrac{4+30i}{2^2-(15i)^2}\\\\=\dfrac{4+30i}{4+225}=\dfrac{4}{229}+\dfrac{30}{229}i$

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4 years ago