3 years ago

Calculate the following, leaving your answer in standard form; (3.5 x 104) x (4 x 105)

1 answer:

3 0

Answer:

<h3>364×420=152880</h3><h3>standard form: 1.52×10^5</h3>

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Suppose u and v are functions of x that are differentiable at x=0 and that u(0)=3, u'(0)= -4, v(0)= 2, v'(0)= -7. Find the value

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$\bf \cfrac{d}{dx}[u(x)\cdot v(x)]\implies \cfrac{du}{dx}\cdot v(x)+u(x)\cdot \cfrac{dv}{dx}\quad 
\begin{cases}
u(0)=3\qquad u'(0)=-4
\\\\
v(0)=2\qquad v'(0)=-7
\end{cases}
\\\\
\left[ \cfrac{du}{dx} \right]_{x=0}\cdot v(0)+u(0)\cdot \left[ \cfrac{dv}{dx} \right]_{x=0}$

so.. hmm pretty sure you know what that is

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3 years ago

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What does the B mean in 1.9+b=3.2

Flura [38]

1.3
You subtract 3.2 from 1.9 ; which gives you 1.3

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3 years ago

Charlotte completed 12 pages of her 18-page report. What percent has she completed thus far?

Mashutka [201]

Answer:

Charlotte has 23 of her book left to read. She can read 29 of it each day.