4 years ago

What is twice 2^30 write using exponents

Mathematics

1 answer:

Alex4 years ago

5 0

Twice of 2^30= 2*2^30= 2^31

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$ax^2+bx+c=0$
if m and n are zeros, then:
$m+n=\dfrac{-b}{a}\ and\ mn=\dfrac{c}{a}$
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substitute
$m+n=\dfrac{-(-5)}{a};\ mn=\dfrac{c}{a}\\\\ \left\{\begin{array}{ccc}\dfrac{5}{a}=10&\to a=\dfrac{1}{2}\\\\\dfrac{c}{a}=10\end{array}\right$
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